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Finding the Fourth Proportional to 127,462.66, 175,891.64 and 73,748.56

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Solution

The fourth proportional to 127,462.66, 175,891.64 and 73,748.56 is: 101,769.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,462.66 : 175,891.64 = 73,748.56 : x
  2. Step 2: Convert to fraction form
    127,462.66/175,891.64 = 73,748.56/x
  3. Step 3: Cross multiply
    127,462.66x = 175,891.64 × 73,748.56
  4. Step 4: Simplify right side
    127,462.66x = 12,971,755,166.04
  5. Step 5: Solve for x
    x = 12,971,755,166.04/127,462.66
  6. Step 6: Final answer
    x = 101,769.06

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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.