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Finding the Fourth Proportional to 92,522.48, 138,788.67 and 29,347.40

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Solution

The fourth proportional to 92,522.48, 138,788.67 and 29,347.40 is: 44,022.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,522.48 : 138,788.67 = 29,347.40 : x
  2. Step 2: Convert to fraction form
    92,522.48/138,788.67 = 29,347.40/x
  3. Step 3: Cross multiply
    92,522.48x = 138,788.67 × 29,347.40
  4. Step 4: Simplify right side
    92,522.48x = 4,073,085,920.01
  5. Step 5: Solve for x
    x = 4,073,085,920.01/92,522.48
  6. Step 6: Final answer
    x = 44,022.66

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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.