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Finding the Fourth Proportional to 172,188.71, 237,618.86 and 95,705.84

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Solution

The fourth proportional to 172,188.71, 237,618.86 and 95,705.84 is: 132,073.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,188.71 : 237,618.86 = 95,705.84 : x
  2. Step 2: Convert to fraction form
    172,188.71/237,618.86 = 95,705.84/x
  3. Step 3: Cross multiply
    172,188.71x = 237,618.86 × 95,705.84
  4. Step 4: Simplify right side
    172,188.71x = 22,741,512,596.14
  5. Step 5: Solve for x
    x = 22,741,512,596.14/172,188.71
  6. Step 6: Final answer
    x = 132,073.19

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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.