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Finding the Fourth Proportional to 162,850.29, 224,732.64 and 91,230.90

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Solution

The fourth proportional to 162,850.29, 224,732.64 and 91,230.90 is: 125,898.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,850.29 : 224,732.64 = 91,230.90 : x
  2. Step 2: Convert to fraction form
    162,850.29/224,732.64 = 91,230.90/x
  3. Step 3: Cross multiply
    162,850.29x = 224,732.64 × 91,230.90
  4. Step 4: Simplify right side
    162,850.29x = 20,502,561,006.58
  5. Step 5: Solve for x
    x = 20,502,561,006.58/162,850.29
  6. Step 6: Final answer
    x = 125,898.22

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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.