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Finding the Fourth Proportional to 162,843.83, 224,862.14 and 122,487.29

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Solution

The fourth proportional to 162,843.83, 224,862.14 and 122,487.29 is: 169,136.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,843.83 : 224,862.14 = 122,487.29 : x
  2. Step 2: Convert to fraction form
    162,843.83/224,862.14 = 122,487.29/x
  3. Step 3: Cross multiply
    162,843.83x = 224,862.14 × 122,487.29
  4. Step 4: Simplify right side
    162,843.83x = 27,542,754,152.20
  5. Step 5: Solve for x
    x = 27,542,754,152.20/162,843.83
  6. Step 6: Final answer
    x = 169,136.00

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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.