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Finding the Fourth Proportional to 185,757.47, 278,636.20 and 45,514.88

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Solution

The fourth proportional to 185,757.47, 278,636.20 and 45,514.88 is: 68,272.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,757.47 : 278,636.20 = 45,514.88 : x
  2. Step 2: Convert to fraction form
    185,757.47/278,636.20 = 45,514.88/x
  3. Step 3: Cross multiply
    185,757.47x = 278,636.20 × 45,514.88
  4. Step 4: Simplify right side
    185,757.47x = 12,682,093,206.66
  5. Step 5: Solve for x
    x = 12,682,093,206.66/185,757.47
  6. Step 6: Final answer
    x = 68,272.32

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1.5x scale

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.