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Finding the Fourth Proportional to 116,562.40, 174,843.60 and 61,151.20

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Solution

The fourth proportional to 116,562.40, 174,843.60 and 61,151.20 is: 91,726.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,562.40 : 174,843.60 = 61,151.20 : x
  2. Step 2: Convert to fraction form
    116,562.40/174,843.60 = 61,151.20/x
  3. Step 3: Cross multiply
    116,562.40x = 174,843.60 × 61,151.20
  4. Step 4: Simplify right side
    116,562.40x = 10,691,895,952.32
  5. Step 5: Solve for x
    x = 10,691,895,952.32/116,562.40
  6. Step 6: Final answer
    x = 91,726.80

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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.