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Finding the Fourth Proportional to 169,874.78, 254,811.15 and 43,514.78

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Solution

The fourth proportional to 169,874.78, 254,811.15 and 43,514.78 is: 65,271.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,874.78 : 254,811.15 = 43,514.78 : x
  2. Step 2: Convert to fraction form
    169,874.78/254,811.15 = 43,514.78/x
  3. Step 3: Cross multiply
    169,874.78x = 254,811.15 × 43,514.78
  4. Step 4: Simplify right side
    169,874.78x = 11,088,049,859.74
  5. Step 5: Solve for x
    x = 11,088,049,859.74/169,874.78
  6. Step 6: Final answer
    x = 65,271.90

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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.