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Finding the Fourth Proportional to 179,702.69, 247,979.68 and 99,114.17

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Solution

The fourth proportional to 179,702.69, 247,979.68 and 99,114.17 is: 136,772.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,702.69 : 247,979.68 = 99,114.17 : x
  2. Step 2: Convert to fraction form
    179,702.69/247,979.68 = 99,114.17/x
  3. Step 3: Cross multiply
    179,702.69x = 247,979.68 × 99,114.17
  4. Step 4: Simplify right side
    179,702.69x = 24,578,298,672.38
  5. Step 5: Solve for x
    x = 24,578,298,672.38/179,702.69
  6. Step 6: Final answer
    x = 136,772.02

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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.