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Finding the Fourth Proportional to 79,440.62, 119,129.27 and 35,035.88

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Solution

The fourth proportional to 79,440.62, 119,129.27 and 35,035.88 is: 52,539.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,440.62 : 119,129.27 = 35,035.88 : x
  2. Step 2: Convert to fraction form
    79,440.62/119,129.27 = 35,035.88/x
  3. Step 3: Cross multiply
    79,440.62x = 119,129.27 × 35,035.88
  4. Step 4: Simplify right side
    79,440.62x = 4,173,798,037.38
  5. Step 5: Solve for x
    x = 4,173,798,037.38/79,440.62
  6. Step 6: Final answer
    x = 52,539.85

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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.