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Finding the Fourth Proportional to 147,310.56, 220,965.72 and 36,502.56

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Solution

The fourth proportional to 147,310.56, 220,965.72 and 36,502.56 is: 54,753.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,310.56 : 220,965.72 = 36,502.56 : x
  2. Step 2: Convert to fraction form
    147,310.56/220,965.72 = 36,502.56/x
  3. Step 3: Cross multiply
    147,310.56x = 220,965.72 × 36,502.56
  4. Step 4: Simplify right side
    147,310.56x = 8,065,814,452.24
  5. Step 5: Solve for x
    x = 8,065,814,452.24/147,310.56
  6. Step 6: Final answer
    x = 54,753.81

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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.