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Finding the Fourth Proportional to 252,934, 379,587.90 and 119,814.80

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Solution

The fourth proportional to 252,934, 379,587.90 and 119,814.80 is: 179,810.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,934 : 379,587.90 = 119,814.80 : x
  2. Step 2: Convert to fraction form
    252,934/379,587.90 = 119,814.80/x
  3. Step 3: Cross multiply
    252,934x = 379,587.90 × 119,814.80
  4. Step 4: Simplify right side
    252,934x = 45,480,248,320.92
  5. Step 5: Solve for x
    x = 45,480,248,320.92/252,934
  6. Step 6: Final answer
    x = 179,810.73

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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.