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Finding the Fourth Proportional to 112,677.60, 155,496.24 and 62,375.52

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Solution

The fourth proportional to 112,677.60, 155,496.24 and 62,375.52 is: 86,078.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,677.60 : 155,496.24 = 62,375.52 : x
  2. Step 2: Convert to fraction form
    112,677.60/155,496.24 = 62,375.52/x
  3. Step 3: Cross multiply
    112,677.60x = 155,496.24 × 62,375.52
  4. Step 4: Simplify right side
    112,677.60x = 9,699,158,828.04
  5. Step 5: Solve for x
    x = 9,699,158,828.04/112,677.60
  6. Step 6: Final answer
    x = 86,078.86

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.