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Finding the Fourth Proportional to 147,372.70, 220,874.16 and 63,033.88

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Solution

The fourth proportional to 147,372.70, 220,874.16 and 63,033.88 is: 94,471.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,372.70 : 220,874.16 = 63,033.88 : x
  2. Step 2: Convert to fraction form
    147,372.70/220,874.16 = 63,033.88/x
  3. Step 3: Cross multiply
    147,372.70x = 220,874.16 × 63,033.88
  4. Step 4: Simplify right side
    147,372.70x = 13,922,555,296.54
  5. Step 5: Solve for x
    x = 13,922,555,296.54/147,372.70
  6. Step 6: Final answer
    x = 94,471.74

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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.