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Finding the Fourth Proportional to 162,062.13, 223,658.13 and 89,479.02

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Solution

The fourth proportional to 162,062.13, 223,658.13 and 89,479.02 is: 123,487.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,062.13 : 223,658.13 = 89,479.02 : x
  2. Step 2: Convert to fraction form
    162,062.13/223,658.13 = 89,479.02/x
  3. Step 3: Cross multiply
    162,062.13x = 223,658.13 × 89,479.02
  4. Step 4: Simplify right side
    162,062.13x = 20,012,710,287.43
  5. Step 5: Solve for x
    x = 20,012,710,287.43/162,062.13
  6. Step 6: Final answer
    x = 123,487.89

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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.