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Finding the Fourth Proportional to 79,479.30, 119,144.84 and 26,851.98

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Solution

The fourth proportional to 79,479.30, 119,144.84 and 26,851.98 is: 40,252.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,479.30 : 119,144.84 = 26,851.98 : x
  2. Step 2: Convert to fraction form
    79,479.30/119,144.84 = 26,851.98/x
  3. Step 3: Cross multiply
    79,479.30x = 119,144.84 × 26,851.98
  4. Step 4: Simplify right side
    79,479.30x = 3,199,274,726.52
  5. Step 5: Solve for x
    x = 3,199,274,726.52/79,479.30
  6. Step 6: Final answer
    x = 40,252.93

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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.