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Finding the Fourth Proportional to 110,674, 152,731.20 and 60,374.08

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Solution

The fourth proportional to 110,674, 152,731.20 and 60,374.08 is: 83,316.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,674 : 152,731.20 = 60,374.08 : x
  2. Step 2: Convert to fraction form
    110,674/152,731.20 = 60,374.08/x
  3. Step 3: Cross multiply
    110,674x = 152,731.20 × 60,374.08
  4. Step 4: Simplify right side
    110,674x = 9,221,005,687.30
  5. Step 5: Solve for x
    x = 9,221,005,687.30/110,674
  6. Step 6: Final answer
    x = 83,316.82

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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.