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Finding the Fourth Proportional to 169,774.11, 254,464.32 and 159,932.61

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Solution

The fourth proportional to 169,774.11, 254,464.32 and 159,932.61 is: 239,713.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,774.11 : 254,464.32 = 159,932.61 : x
  2. Step 2: Convert to fraction form
    169,774.11/254,464.32 = 159,932.61/x
  3. Step 3: Cross multiply
    169,774.11x = 254,464.32 × 159,932.61
  4. Step 4: Simplify right side
    169,774.11x = 40,697,142,549.60
  5. Step 5: Solve for x
    x = 40,697,142,549.60/169,774.11
  6. Step 6: Final answer
    x = 239,713.48

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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.