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Finding the Fourth Proportional to 272,551.80, 408,827.70 and 178,073.40

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Solution

The fourth proportional to 272,551.80, 408,827.70 and 178,073.40 is: 267,110.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,551.80 : 408,827.70 = 178,073.40 : x
  2. Step 2: Convert to fraction form
    272,551.80/408,827.70 = 178,073.40/x
  3. Step 3: Cross multiply
    272,551.80x = 408,827.70 × 178,073.40
  4. Step 4: Simplify right side
    272,551.80x = 72,801,338,553.18
  5. Step 5: Solve for x
    x = 72,801,338,553.18/272,551.80
  6. Step 6: Final answer
    x = 267,110.10

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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.