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Finding the Fourth Proportional to 117,262.71, 175,926.87 and 38,432.28

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Solution

The fourth proportional to 117,262.71, 175,926.87 and 38,432.28 is: 57,659.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,262.71 : 175,926.87 = 38,432.28 : x
  2. Step 2: Convert to fraction form
    117,262.71/175,926.87 = 38,432.28/x
  3. Step 3: Cross multiply
    117,262.71x = 175,926.87 × 38,432.28
  4. Step 4: Simplify right side
    117,262.71x = 6,761,270,727.36
  5. Step 5: Solve for x
    x = 6,761,270,727.36/117,262.71
  6. Step 6: Final answer
    x = 57,659.17

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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.