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Finding the Fourth Proportional to 169,613.20, 254,419.80 and 44,954.20

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Solution

The fourth proportional to 169,613.20, 254,419.80 and 44,954.20 is: 67,431.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,613.20 : 254,419.80 = 44,954.20 : x
  2. Step 2: Convert to fraction form
    169,613.20/254,419.80 = 44,954.20/x
  3. Step 3: Cross multiply
    169,613.20x = 254,419.80 × 44,954.20
  4. Step 4: Simplify right side
    169,613.20x = 11,437,238,573.16
  5. Step 5: Solve for x
    x = 11,437,238,573.16/169,613.20
  6. Step 6: Final answer
    x = 67,431.30

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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.