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Finding the Fourth Proportional to 79,988.88, 119,908.53 and 35,591.52

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Solution

The fourth proportional to 79,988.88, 119,908.53 and 35,591.52 is: 53,354.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,988.88 : 119,908.53 = 35,591.52 : x
  2. Step 2: Convert to fraction form
    79,988.88/119,908.53 = 35,591.52/x
  3. Step 3: Cross multiply
    79,988.88x = 119,908.53 × 35,591.52
  4. Step 4: Simplify right side
    79,988.88x = 4,267,726,843.67
  5. Step 5: Solve for x
    x = 4,267,726,843.67/79,988.88
  6. Step 6: Final answer
    x = 53,354.00

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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.