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Finding the Fourth Proportional to 179,494.88, 247,691.81 and 98,917.91

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Solution

The fourth proportional to 179,494.88, 247,691.81 and 98,917.91 is: 136,500.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,494.88 : 247,691.81 = 98,917.91 : x
  2. Step 2: Convert to fraction form
    179,494.88/247,691.81 = 98,917.91/x
  3. Step 3: Cross multiply
    179,494.88x = 247,691.81 × 98,917.91
  4. Step 4: Simplify right side
    179,494.88x = 24,501,154,436.27
  5. Step 5: Solve for x
    x = 24,501,154,436.27/179,494.88
  6. Step 6: Final answer
    x = 136,500.58

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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.