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Finding the Fourth Proportional to 79,366.32, 119,073.24 and 47,810.88

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Solution

The fourth proportional to 79,366.32, 119,073.24 and 47,810.88 is: 71,730.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,366.32 : 119,073.24 = 47,810.88 : x
  2. Step 2: Convert to fraction form
    79,366.32/119,073.24 = 47,810.88/x
  3. Step 3: Cross multiply
    79,366.32x = 119,073.24 × 47,810.88
  4. Step 4: Simplify right side
    79,366.32x = 5,692,996,388.85
  5. Step 5: Solve for x
    x = 5,692,996,388.85/79,366.32
  6. Step 6: Final answer
    x = 71,730.63

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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.