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Finding the Fourth Proportional to 162,644.28, 224,454.12 and 91,024.11

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Solution

The fourth proportional to 162,644.28, 224,454.12 and 91,024.11 is: 125,616.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,644.28 : 224,454.12 = 91,024.11 : x
  2. Step 2: Convert to fraction form
    162,644.28/224,454.12 = 91,024.11/x
  3. Step 3: Cross multiply
    162,644.28x = 224,454.12 × 91,024.11
  4. Step 4: Simplify right side
    162,644.28x = 20,430,736,508.83
  5. Step 5: Solve for x
    x = 20,430,736,508.83/162,644.28
  6. Step 6: Final answer
    x = 125,616.08

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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.