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Finding the Fourth Proportional to 272,545.40, 408,818.10 and 167,569.40

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Solution

The fourth proportional to 272,545.40, 408,818.10 and 167,569.40 is: 251,354.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,545.40 : 408,818.10 = 167,569.40 : x
  2. Step 2: Convert to fraction form
    272,545.40/408,818.10 = 167,569.40/x
  3. Step 3: Cross multiply
    272,545.40x = 408,818.10 × 167,569.40
  4. Step 4: Simplify right side
    272,545.40x = 68,505,403,726.14
  5. Step 5: Solve for x
    x = 68,505,403,726.14/272,545.40
  6. Step 6: Final answer
    x = 251,354.10

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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.