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Finding the Fourth Proportional to 101,592.56, 140,157.66 and 63,329.78

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Solution

The fourth proportional to 101,592.56, 140,157.66 and 63,329.78 is: 87,370.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,592.56 : 140,157.66 = 63,329.78 : x
  2. Step 2: Convert to fraction form
    101,592.56/140,157.66 = 63,329.78/x
  3. Step 3: Cross multiply
    101,592.56x = 140,157.66 × 63,329.78
  4. Step 4: Simplify right side
    101,592.56x = 8,876,153,773.11
  5. Step 5: Solve for x
    x = 8,876,153,773.11/101,592.56
  6. Step 6: Final answer
    x = 87,370.12

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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.