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Finding the Fourth Proportional to 172,409.68, 237,928.26 and 95,934.88

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Solution

The fourth proportional to 172,409.68, 237,928.26 and 95,934.88 is: 132,391.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,409.68 : 237,928.26 = 95,934.88 : x
  2. Step 2: Convert to fraction form
    172,409.68/237,928.26 = 95,934.88/x
  3. Step 3: Cross multiply
    172,409.68x = 237,928.26 × 95,934.88
  4. Step 4: Simplify right side
    172,409.68x = 22,825,619,071.71
  5. Step 5: Solve for x
    x = 22,825,619,071.71/172,409.68
  6. Step 6: Final answer
    x = 132,391.75

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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.