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Finding the Fourth Proportional to 254,841.60, 382,310.52 and 84,073.08

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Solution

The fourth proportional to 254,841.60, 382,310.52 and 84,073.08 is: 126,125.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,841.60 : 382,310.52 = 84,073.08 : x
  2. Step 2: Convert to fraction form
    254,841.60/382,310.52 = 84,073.08/x
  3. Step 3: Cross multiply
    254,841.60x = 382,310.52 × 84,073.08
  4. Step 4: Simplify right side
    254,841.60x = 32,142,022,932.80
  5. Step 5: Solve for x
    x = 32,142,022,932.80/254,841.60
  6. Step 6: Final answer
    x = 126,125.49

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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.