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Finding the Fourth Proportional to 272,561.10, 408,064.05 and 167,585.10

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Solution

The fourth proportional to 272,561.10, 408,064.05 and 167,585.10 is: 250,899.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,561.10 : 408,064.05 = 167,585.10 : x
  2. Step 2: Convert to fraction form
    272,561.10/408,064.05 = 167,585.10/x
  3. Step 3: Cross multiply
    272,561.10x = 408,064.05 × 167,585.10
  4. Step 4: Simplify right side
    272,561.10x = 68,385,454,625.66
  5. Step 5: Solve for x
    x = 68,385,454,625.66/272,561.10
  6. Step 6: Final answer
    x = 250,899.54

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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.