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Finding the Fourth Proportional to 113,011.56, 155,952.90 and 62,024.22

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Solution

The fourth proportional to 113,011.56, 155,952.90 and 62,024.22 is: 85,591.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,011.56 : 155,952.90 = 62,024.22 : x
  2. Step 2: Convert to fraction form
    113,011.56/155,952.90 = 62,024.22/x
  3. Step 3: Cross multiply
    113,011.56x = 155,952.90 × 62,024.22
  4. Step 4: Simplify right side
    113,011.56x = 9,672,856,979.24
  5. Step 5: Solve for x
    x = 9,672,856,979.24/113,011.56
  6. Step 6: Final answer
    x = 85,591.75

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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.