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Finding the Fourth Proportional to 103,633.70, 155,450.55 and 33,520.10

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Solution

The fourth proportional to 103,633.70, 155,450.55 and 33,520.10 is: 50,280.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,633.70 : 155,450.55 = 33,520.10 : x
  2. Step 2: Convert to fraction form
    103,633.70/155,450.55 = 33,520.10/x
  3. Step 3: Cross multiply
    103,633.70x = 155,450.55 × 33,520.10
  4. Step 4: Simplify right side
    103,633.70x = 5,210,717,981.06
  5. Step 5: Solve for x
    x = 5,210,717,981.06/103,633.70
  6. Step 6: Final answer
    x = 50,280.15

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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.