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Finding the Fourth Proportional to 92,282.40, 138,423.60 and 29,952.90

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Solution

The fourth proportional to 92,282.40, 138,423.60 and 29,952.90 is: 44,929.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,282.40 : 138,423.60 = 29,952.90 : x
  2. Step 2: Convert to fraction form
    92,282.40/138,423.60 = 29,952.90/x
  3. Step 3: Cross multiply
    92,282.40x = 138,423.60 × 29,952.90
  4. Step 4: Simplify right side
    92,282.40x = 4,146,188,248.44
  5. Step 5: Solve for x
    x = 4,146,188,248.44/92,282.40
  6. Step 6: Final answer
    x = 44,929.35

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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.