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Finding the Fourth Proportional to 61,150.60, 84,391.88 and 34,294.84

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Solution

The fourth proportional to 61,150.60, 84,391.88 and 34,294.84 is: 47,329.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,150.60 : 84,391.88 = 34,294.84 : x
  2. Step 2: Convert to fraction form
    61,150.60/84,391.88 = 34,294.84/x
  3. Step 3: Cross multiply
    61,150.60x = 84,391.88 × 34,294.84
  4. Step 4: Simplify right side
    61,150.60x = 2,894,206,021.90
  5. Step 5: Solve for x
    x = 2,894,206,021.90/61,150.60
  6. Step 6: Final answer
    x = 47,329.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.