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Finding the Fourth Proportional to 109,782, 151,505.76 and 62,034.24

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Solution

The fourth proportional to 109,782, 151,505.76 and 62,034.24 is: 85,610.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,782 : 151,505.76 = 62,034.24 : x
  2. Step 2: Convert to fraction form
    109,782/151,505.76 = 62,034.24/x
  3. Step 3: Cross multiply
    109,782x = 151,505.76 × 62,034.24
  4. Step 4: Simplify right side
    109,782x = 9,398,544,677.22
  5. Step 5: Solve for x
    x = 9,398,544,677.22/109,782
  6. Step 6: Final answer
    x = 85,610.98

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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.