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Finding the Fourth Proportional to 147,372.72, 220,874.13 and 63,033.72

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Solution

The fourth proportional to 147,372.72, 220,874.13 and 63,033.72 is: 94,471.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,372.72 : 220,874.13 = 63,033.72 : x
  2. Step 2: Convert to fraction form
    147,372.72/220,874.13 = 63,033.72/x
  3. Step 3: Cross multiply
    147,372.72x = 220,874.13 × 63,033.72
  4. Step 4: Simplify right side
    147,372.72x = 13,922,518,065.66
  5. Step 5: Solve for x
    x = 13,922,518,065.66/147,372.72
  6. Step 6: Final answer
    x = 94,471.47

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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.