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Finding the Fourth Proportional to 168,474.78, 252,499.95 and 147,364.56

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Solution

The fourth proportional to 168,474.78, 252,499.95 and 147,364.56 is: 220,861.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,474.78 : 252,499.95 = 147,364.56 : x
  2. Step 2: Convert to fraction form
    168,474.78/252,499.95 = 147,364.56/x
  3. Step 3: Cross multiply
    168,474.78x = 252,499.95 × 147,364.56
  4. Step 4: Simplify right side
    168,474.78x = 37,209,544,031.77
  5. Step 5: Solve for x
    x = 37,209,544,031.77/168,474.78
  6. Step 6: Final answer
    x = 220,861.21

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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.