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Finding the Fourth Proportional to 155,689.48, 214,811.92 and 95,238.04

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Solution

The fourth proportional to 155,689.48, 214,811.92 and 95,238.04 is: 131,404.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,689.48 : 214,811.92 = 95,238.04 : x
  2. Step 2: Convert to fraction form
    155,689.48/214,811.92 = 95,238.04/x
  3. Step 3: Cross multiply
    155,689.48x = 214,811.92 × 95,238.04
  4. Step 4: Simplify right side
    155,689.48x = 20,458,266,229.44
  5. Step 5: Solve for x
    x = 20,458,266,229.44/155,689.48
  6. Step 6: Final answer
    x = 131,404.29

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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.