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Finding the Fourth Proportional to 177,037.20, 265,728.60 and 88,390.80

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Solution

The fourth proportional to 177,037.20, 265,728.60 and 88,390.80 is: 132,672.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,037.20 : 265,728.60 = 88,390.80 : x
  2. Step 2: Convert to fraction form
    177,037.20/265,728.60 = 88,390.80/x
  3. Step 3: Cross multiply
    177,037.20x = 265,728.60 × 88,390.80
  4. Step 4: Simplify right side
    177,037.20x = 23,487,963,536.88
  5. Step 5: Solve for x
    x = 23,487,963,536.88/177,037.20
  6. Step 6: Final answer
    x = 132,672.48

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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.