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Finding the Fourth Proportional to 68,252.52, 102,386.96 and 64,520.04

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Solution

The fourth proportional to 68,252.52, 102,386.96 and 64,520.04 is: 96,787.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,252.52 : 102,386.96 = 64,520.04 : x
  2. Step 2: Convert to fraction form
    68,252.52/102,386.96 = 64,520.04/x
  3. Step 3: Cross multiply
    68,252.52x = 102,386.96 × 64,520.04
  4. Step 4: Simplify right side
    68,252.52x = 6,606,010,754.68
  5. Step 5: Solve for x
    x = 6,606,010,754.68/68,252.52
  6. Step 6: Final answer
    x = 96,787.79

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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.