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Finding the Fourth Proportional to 118,175.28, 177,273.95 and 47,080.68

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Solution

The fourth proportional to 118,175.28, 177,273.95 and 47,080.68 is: 70,625.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,175.28 : 177,273.95 = 47,080.68 : x
  2. Step 2: Convert to fraction form
    118,175.28/177,273.95 = 47,080.68/x
  3. Step 3: Cross multiply
    118,175.28x = 177,273.95 × 47,080.68
  4. Step 4: Simplify right side
    118,175.28x = 8,346,177,876.88
  5. Step 5: Solve for x
    x = 8,346,177,876.88/118,175.28
  6. Step 6: Final answer
    x = 70,625.41

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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.