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Finding the Fourth Proportional to 144,704.64, 217,027.68 and 39,514.80

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Solution

The fourth proportional to 144,704.64, 217,027.68 and 39,514.80 is: 59,264.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,704.64 : 217,027.68 = 39,514.80 : x
  2. Step 2: Convert to fraction form
    144,704.64/217,027.68 = 39,514.80/x
  3. Step 3: Cross multiply
    144,704.64x = 217,027.68 × 39,514.80
  4. Step 4: Simplify right side
    144,704.64x = 8,575,805,369.66
  5. Step 5: Solve for x
    x = 8,575,805,369.66/144,704.64
  6. Step 6: Final answer
    x = 59,264.20

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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.