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Finding the Fourth Proportional to 68,569.10, 102,801.24 and 47,452.94

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Solution

The fourth proportional to 68,569.10, 102,801.24 and 47,452.94 is: 71,143.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,569.10 : 102,801.24 = 47,452.94 : x
  2. Step 2: Convert to fraction form
    68,569.10/102,801.24 = 47,452.94/x
  3. Step 3: Cross multiply
    68,569.10x = 102,801.24 × 47,452.94
  4. Step 4: Simplify right side
    68,569.10x = 4,878,221,073.65
  5. Step 5: Solve for x
    x = 4,878,221,073.65/68,569.10
  6. Step 6: Final answer
    x = 71,143.14

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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.