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Finding the Fourth Proportional to 220,665.96, 330,959.16 and 94,377.24

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Solution

The fourth proportional to 220,665.96, 330,959.16 and 94,377.24 is: 141,548.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,665.96 : 330,959.16 = 94,377.24 : x
  2. Step 2: Convert to fraction form
    220,665.96/330,959.16 = 94,377.24/x
  3. Step 3: Cross multiply
    220,665.96x = 330,959.16 × 94,377.24
  4. Step 4: Simplify right side
    220,665.96x = 31,235,012,073.52
  5. Step 5: Solve for x
    x = 31,235,012,073.52/220,665.96
  6. Step 6: Final answer
    x = 141,548.85

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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.