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Finding the Fourth Proportional to 169,540.80, 254,311.20 and 44,881.80

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Solution

The fourth proportional to 169,540.80, 254,311.20 and 44,881.80 is: 67,322.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,540.80 : 254,311.20 = 44,881.80 : x
  2. Step 2: Convert to fraction form
    169,540.80/254,311.20 = 44,881.80/x
  3. Step 3: Cross multiply
    169,540.80x = 254,311.20 × 44,881.80
  4. Step 4: Simplify right side
    169,540.80x = 11,413,944,416.16
  5. Step 5: Solve for x
    x = 11,413,944,416.16/169,540.80
  6. Step 6: Final answer
    x = 67,322.70

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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.