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Finding the Fourth Proportional to 169,915.54, 254,714.10 and 57,517.12

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Solution

The fourth proportional to 169,915.54, 254,714.10 and 57,517.12 is: 86,221.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,915.54 : 254,714.10 = 57,517.12 : x
  2. Step 2: Convert to fraction form
    169,915.54/254,714.10 = 57,517.12/x
  3. Step 3: Cross multiply
    169,915.54x = 254,714.10 × 57,517.12
  4. Step 4: Simplify right side
    169,915.54x = 14,650,421,455.39
  5. Step 5: Solve for x
    x = 14,650,421,455.39/169,915.54
  6. Step 6: Final answer
    x = 86,221.79

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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.