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Finding the Fourth Proportional to 182,583.91, 274,101.39 and 86,612.88

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Solution

The fourth proportional to 182,583.91, 274,101.39 and 86,612.88 is: 130,026.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,583.91 : 274,101.39 = 86,612.88 : x
  2. Step 2: Convert to fraction form
    182,583.91/274,101.39 = 86,612.88/x
  3. Step 3: Cross multiply
    182,583.91x = 274,101.39 × 86,612.88
  4. Step 4: Simplify right side
    182,583.91x = 23,740,710,799.90
  5. Step 5: Solve for x
    x = 23,740,710,799.90/182,583.91
  6. Step 6: Final answer
    x = 130,026.30

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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.