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Finding the Fourth Proportional to 117,008.76, 175,531.38 and 38,104.65

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Solution

The fourth proportional to 117,008.76, 175,531.38 and 38,104.65 is: 57,162.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,008.76 : 175,531.38 = 38,104.65 : x
  2. Step 2: Convert to fraction form
    117,008.76/175,531.38 = 38,104.65/x
  3. Step 3: Cross multiply
    117,008.76x = 175,531.38 × 38,104.65
  4. Step 4: Simplify right side
    117,008.76x = 6,688,561,798.92
  5. Step 5: Solve for x
    x = 6,688,561,798.92/117,008.76
  6. Step 6: Final answer
    x = 57,162.91

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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.