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Finding the Fourth Proportional to 150,655.60, 207,904.68 and 83,587.60

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Solution

The fourth proportional to 150,655.60, 207,904.68 and 83,587.60 is: 115,350.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,655.60 : 207,904.68 = 83,587.60 : x
  2. Step 2: Convert to fraction form
    150,655.60/207,904.68 = 83,587.60/x
  3. Step 3: Cross multiply
    150,655.60x = 207,904.68 × 83,587.60
  4. Step 4: Simplify right side
    150,655.60x = 17,378,253,229.97
  5. Step 5: Solve for x
    x = 17,378,253,229.97/150,655.60
  6. Step 6: Final answer
    x = 115,350.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.