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Finding the Fourth Proportional to 68,042.24, 93,901.92 and 39,746.24

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Solution

The fourth proportional to 68,042.24, 93,901.92 and 39,746.24 is: 54,851.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,042.24 : 93,901.92 = 39,746.24 : x
  2. Step 2: Convert to fraction form
    68,042.24/93,901.92 = 39,746.24/x
  3. Step 3: Cross multiply
    68,042.24x = 93,901.92 × 39,746.24
  4. Step 4: Simplify right side
    68,042.24x = 3,732,248,248.78
  5. Step 5: Solve for x
    x = 3,732,248,248.78/68,042.24
  6. Step 6: Final answer
    x = 54,851.93

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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.