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Finding the Fourth Proportional to 220,624.10, 330,881.47 and 62,853.92

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Solution

The fourth proportional to 220,624.10, 330,881.47 and 62,853.92 is: 94,265.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,624.10 : 330,881.47 = 62,853.92 : x
  2. Step 2: Convert to fraction form
    220,624.10/330,881.47 = 62,853.92/x
  3. Step 3: Cross multiply
    220,624.10x = 330,881.47 × 62,853.92
  4. Step 4: Simplify right side
    220,624.10x = 20,797,195,633.32
  5. Step 5: Solve for x
    x = 20,797,195,633.32/220,624.10
  6. Step 6: Final answer
    x = 94,265.30

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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.