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Finding the Fourth Proportional to 174,874.80, 262,063.92 and 79,871.52

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Solution

The fourth proportional to 174,874.80, 262,063.92 and 79,871.52 is: 119,693.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,874.80 : 262,063.92 = 79,871.52 : x
  2. Step 2: Convert to fraction form
    174,874.80/262,063.92 = 79,871.52/x
  3. Step 3: Cross multiply
    174,874.80x = 262,063.92 × 79,871.52
  4. Step 4: Simplify right side
    174,874.80x = 20,931,443,627.56
  5. Step 5: Solve for x
    x = 20,931,443,627.56/174,874.80
  6. Step 6: Final answer
    x = 119,693.88

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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.