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Finding the Fourth Proportional to 247,884.42, 342,053.64 and 140,452.50

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Solution

The fourth proportional to 247,884.42, 342,053.64 and 140,452.50 is: 193,809.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,884.42 : 342,053.64 = 140,452.50 : x
  2. Step 2: Convert to fraction form
    247,884.42/342,053.64 = 140,452.50/x
  3. Step 3: Cross multiply
    247,884.42x = 342,053.64 × 140,452.50
  4. Step 4: Simplify right side
    247,884.42x = 48,042,288,872.10
  5. Step 5: Solve for x
    x = 48,042,288,872.10/247,884.42
  6. Step 6: Final answer
    x = 193,809.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.