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Finding the Fourth Proportional to 61,479, 92,156.18 and 29,862.42

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Solution

The fourth proportional to 61,479, 92,156.18 and 29,862.42 is: 44,763.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,479 : 92,156.18 = 29,862.42 : x
  2. Step 2: Convert to fraction form
    61,479/92,156.18 = 29,862.42/x
  3. Step 3: Cross multiply
    61,479x = 92,156.18 × 29,862.42
  4. Step 4: Simplify right side
    61,479x = 2,752,006,744.21
  5. Step 5: Solve for x
    x = 2,752,006,744.21/61,479
  6. Step 6: Final answer
    x = 44,763.36

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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.