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Finding the Fourth Proportional to 71,925.62, 107,944.92 and 49,894.04

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Solution

The fourth proportional to 71,925.62, 107,944.92 and 49,894.04 is: 74,880.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,925.62 : 107,944.92 = 49,894.04 : x
  2. Step 2: Convert to fraction form
    71,925.62/107,944.92 = 49,894.04/x
  3. Step 3: Cross multiply
    71,925.62x = 107,944.92 × 49,894.04
  4. Step 4: Simplify right side
    71,925.62x = 5,385,808,156.28
  5. Step 5: Solve for x
    x = 5,385,808,156.28/71,925.62
  6. Step 6: Final answer
    x = 74,880.25

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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.