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Finding the Fourth Proportional to 132,997.60, 199,593.60 and 93,631.60

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Solution

The fourth proportional to 132,997.60, 199,593.60 and 93,631.60 is: 140,515.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,997.60 : 199,593.60 = 93,631.60 : x
  2. Step 2: Convert to fraction form
    132,997.60/199,593.60 = 93,631.60/x
  3. Step 3: Cross multiply
    132,997.60x = 199,593.60 × 93,631.60
  4. Step 4: Simplify right side
    132,997.60x = 18,688,268,117.76
  5. Step 5: Solve for x
    x = 18,688,268,117.76/132,997.60
  6. Step 6: Final answer
    x = 140,515.83

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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.