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Finding the Fourth Proportional to 172,404.86, 237,919.88 and 95,927.19

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Solution

The fourth proportional to 172,404.86, 237,919.88 and 95,927.19 is: 132,380.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,404.86 : 237,919.88 = 95,927.19 : x
  2. Step 2: Convert to fraction form
    172,404.86/237,919.88 = 95,927.19/x
  3. Step 3: Cross multiply
    172,404.86x = 237,919.88 × 95,927.19
  4. Step 4: Simplify right side
    172,404.86x = 22,822,984,881.16
  5. Step 5: Solve for x
    x = 22,822,984,881.16/172,404.86
  6. Step 6: Final answer
    x = 132,380.18

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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.