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Finding the Fourth Proportional to 60,661,651.80, 90,992,477.70 and 33,735,307.80

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Solution

The fourth proportional to 60,661,651.80, 90,992,477.70 and 33,735,307.80 is: 50,602,961.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,661,651.80 : 90,992,477.70 = 33,735,307.80 : x
  2. Step 2: Convert to fraction form
    60,661,651.80/90,992,477.70 = 33,735,307.80/x
  3. Step 3: Cross multiply
    60,661,651.80x = 90,992,477.70 × 33,735,307.80
  4. Step 4: Simplify right side
    60,661,651.80x = 3,069,659,242,694,136
  5. Step 5: Solve for x
    x = 3,069,659,242,694,136/60,661,651.80
  6. Step 6: Final answer
    x = 50,602,961.70

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.