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Finding the Fourth Proportional to 73,434.60, 110,151.90 and 69,643.80

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Solution

The fourth proportional to 73,434.60, 110,151.90 and 69,643.80 is: 104,465.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,434.60 : 110,151.90 = 69,643.80 : x
  2. Step 2: Convert to fraction form
    73,434.60/110,151.90 = 69,643.80/x
  3. Step 3: Cross multiply
    73,434.60x = 110,151.90 × 69,643.80
  4. Step 4: Simplify right side
    73,434.60x = 7,671,396,893.22
  5. Step 5: Solve for x
    x = 7,671,396,893.22/73,434.60
  6. Step 6: Final answer
    x = 104,465.70

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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.