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Finding the Fourth Proportional to 118,049.20, 177,073.80 and 34,943.20

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Solution

The fourth proportional to 118,049.20, 177,073.80 and 34,943.20 is: 52,414.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,049.20 : 177,073.80 = 34,943.20 : x
  2. Step 2: Convert to fraction form
    118,049.20/177,073.80 = 34,943.20/x
  3. Step 3: Cross multiply
    118,049.20x = 177,073.80 × 34,943.20
  4. Step 4: Simplify right side
    118,049.20x = 6,187,525,208.16
  5. Step 5: Solve for x
    x = 6,187,525,208.16/118,049.20
  6. Step 6: Final answer
    x = 52,414.80

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1.5x scale

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.