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Finding the Fourth Proportional to 162,877.20, 244,024.20 and 139,549.20

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Solution

The fourth proportional to 162,877.20, 244,024.20 and 139,549.20 is: 209,073.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,877.20 : 244,024.20 = 139,549.20 : x
  2. Step 2: Convert to fraction form
    162,877.20/244,024.20 = 139,549.20/x
  3. Step 3: Cross multiply
    162,877.20x = 244,024.20 × 139,549.20
  4. Step 4: Simplify right side
    162,877.20x = 34,053,381,890.64
  5. Step 5: Solve for x
    x = 34,053,381,890.64/162,877.20
  6. Step 6: Final answer
    x = 209,073.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.