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Finding the Fourth Proportional to 162,862.11, 224,773.45 and 91,246.97

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Solution

The fourth proportional to 162,862.11, 224,773.45 and 91,246.97 is: 125,934.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,862.11 : 224,773.45 = 91,246.97 : x
  2. Step 2: Convert to fraction form
    162,862.11/224,773.45 = 91,246.97/x
  3. Step 3: Cross multiply
    162,862.11x = 224,773.45 × 91,246.97
  4. Step 4: Simplify right side
    162,862.11x = 20,509,896,582.76
  5. Step 5: Solve for x
    x = 20,509,896,582.76/162,862.11
  6. Step 6: Final answer
    x = 125,934.12

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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.