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Finding the Fourth Proportional to 157,499.52, 217,374.28 and 93,874.24

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Solution

The fourth proportional to 157,499.52, 217,374.28 and 93,874.24 is: 129,561.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,499.52 : 217,374.28 = 93,874.24 : x
  2. Step 2: Convert to fraction form
    157,499.52/217,374.28 = 93,874.24/x
  3. Step 3: Cross multiply
    157,499.52x = 217,374.28 × 93,874.24
  4. Step 4: Simplify right side
    157,499.52x = 20,405,845,330.55
  5. Step 5: Solve for x
    x = 20,405,845,330.55/157,499.52
  6. Step 6: Final answer
    x = 129,561.32

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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.