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Finding the Fourth Proportional to 79,456.88, 119,200 and 26,151.84

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Solution

The fourth proportional to 79,456.88, 119,200 and 26,151.84 is: 39,232.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,456.88 : 119,200 = 26,151.84 : x
  2. Step 2: Convert to fraction form
    79,456.88/119,200 = 26,151.84/x
  3. Step 3: Cross multiply
    79,456.88x = 119,200 × 26,151.84
  4. Step 4: Simplify right side
    79,456.88x = 3,117,299,328
  5. Step 5: Solve for x
    x = 3,117,299,328/79,456.88
  6. Step 6: Final answer
    x = 39,232.59

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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.