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Finding the Fourth Proportional to 79,673.20, 119,454.40 and 35,275.71

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Solution

The fourth proportional to 79,673.20, 119,454.40 and 35,275.71 is: 52,889.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,673.20 : 119,454.40 = 35,275.71 : x
  2. Step 2: Convert to fraction form
    79,673.20/119,454.40 = 35,275.71/x
  3. Step 3: Cross multiply
    79,673.20x = 119,454.40 × 35,275.71
  4. Step 4: Simplify right side
    79,673.20x = 4,213,838,772.62
  5. Step 5: Solve for x
    x = 4,213,838,772.62/79,673.20
  6. Step 6: Final answer
    x = 52,889.04

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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.