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Finding the Fourth Proportional to 169,382.97, 253,994.02 and 98,327.39

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Solution

The fourth proportional to 169,382.97, 253,994.02 and 98,327.39 is: 147,444.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,382.97 : 253,994.02 = 98,327.39 : x
  2. Step 2: Convert to fraction form
    169,382.97/253,994.02 = 98,327.39/x
  3. Step 3: Cross multiply
    169,382.97x = 253,994.02 × 98,327.39
  4. Step 4: Simplify right side
    169,382.97x = 24,974,567,546.42
  5. Step 5: Solve for x
    x = 24,974,567,546.42/169,382.97
  6. Step 6: Final answer
    x = 147,444.38

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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.