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Finding the Fourth Proportional to 174,630.76, 261,833.46 and 83,396.78

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Solution

The fourth proportional to 174,630.76, 261,833.46 and 83,396.78 is: 125,041.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,630.76 : 261,833.46 = 83,396.78 : x
  2. Step 2: Convert to fraction form
    174,630.76/261,833.46 = 83,396.78/x
  3. Step 3: Cross multiply
    174,630.76x = 261,833.46 × 83,396.78
  4. Step 4: Simplify right side
    174,630.76x = 21,836,067,289.34
  5. Step 5: Solve for x
    x = 21,836,067,289.34/174,630.76
  6. Step 6: Final answer
    x = 125,041.36

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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.