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Finding the Fourth Proportional to 89,248.93, 133,691.14 and 49,827.04

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Solution

The fourth proportional to 89,248.93, 133,691.14 and 49,827.04 is: 74,638.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,248.93 : 133,691.14 = 49,827.04 : x
  2. Step 2: Convert to fraction form
    89,248.93/133,691.14 = 49,827.04/x
  3. Step 3: Cross multiply
    89,248.93x = 133,691.14 × 49,827.04
  4. Step 4: Simplify right side
    89,248.93x = 6,661,433,780.43
  5. Step 5: Solve for x
    x = 6,661,433,780.43/89,248.93
  6. Step 6: Final answer
    x = 74,638.81

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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.