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Finding the Fourth Proportional to 169,624.17, 254,200.86 and 74,712.03

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Solution

The fourth proportional to 169,624.17, 254,200.86 and 74,712.03 is: 111,964.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,624.17 : 254,200.86 = 74,712.03 : x
  2. Step 2: Convert to fraction form
    169,624.17/254,200.86 = 74,712.03/x
  3. Step 3: Cross multiply
    169,624.17x = 254,200.86 × 74,712.03
  4. Step 4: Simplify right side
    169,624.17x = 18,991,862,278.35
  5. Step 5: Solve for x
    x = 18,991,862,278.35/169,624.17
  6. Step 6: Final answer
    x = 111,964.36

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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.