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Finding the Fourth Proportional to 162,793.28, 224,649.48 and 90,193.19

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Solution

The fourth proportional to 162,793.28, 224,649.48 and 90,193.19 is: 124,463.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,793.28 : 224,649.48 = 90,193.19 : x
  2. Step 2: Convert to fraction form
    162,793.28/224,649.48 = 90,193.19/x
  3. Step 3: Cross multiply
    162,793.28x = 224,649.48 × 90,193.19
  4. Step 4: Simplify right side
    162,793.28x = 20,261,853,233.04
  5. Step 5: Solve for x
    x = 20,261,853,233.04/162,793.28
  6. Step 6: Final answer
    x = 124,463.70

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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.