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Finding the Fourth Proportional to 82,359.02, 124,118.68 and 74,470.52

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Solution

The fourth proportional to 82,359.02, 124,118.68 and 74,470.52 is: 112,230.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,359.02 : 124,118.68 = 74,470.52 : x
  2. Step 2: Convert to fraction form
    82,359.02/124,118.68 = 74,470.52/x
  3. Step 3: Cross multiply
    82,359.02x = 124,118.68 × 74,470.52
  4. Step 4: Simplify right side
    82,359.02x = 9,243,182,641.31
  5. Step 5: Solve for x
    x = 9,243,182,641.31/82,359.02
  6. Step 6: Final answer
    x = 112,230.36

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These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.