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Finding the Fourth Proportional to 159,494.72, 239,170.98 and 84,597.82

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Solution

The fourth proportional to 159,494.72, 239,170.98 and 84,597.82 is: 126,859.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,494.72 : 239,170.98 = 84,597.82 : x
  2. Step 2: Convert to fraction form
    159,494.72/239,170.98 = 84,597.82/x
  3. Step 3: Cross multiply
    159,494.72x = 239,170.98 × 84,597.82
  4. Step 4: Simplify right side
    159,494.72x = 20,233,343,515.26
  5. Step 5: Solve for x
    x = 20,233,343,515.26/159,494.72
  6. Step 6: Final answer
    x = 126,859.02

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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.