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Finding the Fourth Proportional to 169,081.54, 253,671.69 and 75,565.42

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Solution

The fourth proportional to 169,081.54, 253,671.69 and 75,565.42 is: 113,370.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,081.54 : 253,671.69 = 75,565.42 : x
  2. Step 2: Convert to fraction form
    169,081.54/253,671.69 = 75,565.42/x
  3. Step 3: Cross multiply
    169,081.54x = 253,671.69 × 75,565.42
  4. Step 4: Simplify right side
    169,081.54x = 19,168,807,796.96
  5. Step 5: Solve for x
    x = 19,168,807,796.96/169,081.54
  6. Step 6: Final answer
    x = 113,370.20

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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.