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Finding the Fourth Proportional to 168,247.42, 252,269.52 and 67,061.08

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Solution

The fourth proportional to 168,247.42, 252,269.52 and 67,061.08 is: 100,551.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,247.42 : 252,269.52 = 67,061.08 : x
  2. Step 2: Convert to fraction form
    168,247.42/252,269.52 = 67,061.08/x
  3. Step 3: Cross multiply
    168,247.42x = 252,269.52 × 67,061.08
  4. Step 4: Simplify right side
    168,247.42x = 16,917,465,831.61
  5. Step 5: Solve for x
    x = 16,917,465,831.61/168,247.42
  6. Step 6: Final answer
    x = 100,551.12

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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.