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Finding the Fourth Proportional to 109,179.92, 163,507.42 and 62,290.64

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Solution

The fourth proportional to 109,179.92, 163,507.42 and 62,290.64 is: 93,286.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,179.92 : 163,507.42 = 62,290.64 : x
  2. Step 2: Convert to fraction form
    109,179.92/163,507.42 = 62,290.64/x
  3. Step 3: Cross multiply
    109,179.92x = 163,507.42 × 62,290.64
  4. Step 4: Simplify right side
    109,179.92x = 10,184,981,836.55
  5. Step 5: Solve for x
    x = 10,184,981,836.55/109,179.92
  6. Step 6: Final answer
    x = 93,286.22

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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.