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Finding the Fourth Proportional to 168,225.28, 252,294.88 and 49,868.96

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Solution

The fourth proportional to 168,225.28, 252,294.88 and 49,868.96 is: 74,790.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,225.28 : 252,294.88 = 49,868.96 : x
  2. Step 2: Convert to fraction form
    168,225.28/252,294.88 = 49,868.96/x
  3. Step 3: Cross multiply
    168,225.28x = 252,294.88 × 49,868.96
  4. Step 4: Simplify right side
    168,225.28x = 12,581,683,278.92
  5. Step 5: Solve for x
    x = 12,581,683,278.92/168,225.28
  6. Step 6: Final answer
    x = 74,790.68

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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.