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Finding the Fourth Proportional to 224,866.80, 337,300.20 and 161,881.20

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Solution

The fourth proportional to 224,866.80, 337,300.20 and 161,881.20 is: 242,821.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,866.80 : 337,300.20 = 161,881.20 : x
  2. Step 2: Convert to fraction form
    224,866.80/337,300.20 = 161,881.20/x
  3. Step 3: Cross multiply
    224,866.80x = 337,300.20 × 161,881.20
  4. Step 4: Simplify right side
    224,866.80x = 54,602,561,136.24
  5. Step 5: Solve for x
    x = 54,602,561,136.24/224,866.80
  6. Step 6: Final answer
    x = 242,821.80

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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.