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Finding the Fourth Proportional to 96,654.80, 145,273.80 and 83,824.40

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Solution

The fourth proportional to 96,654.80, 145,273.80 and 83,824.40 is: 125,989.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,654.80 : 145,273.80 = 83,824.40 : x
  2. Step 2: Convert to fraction form
    96,654.80/145,273.80 = 83,824.40/x
  3. Step 3: Cross multiply
    96,654.80x = 145,273.80 × 83,824.40
  4. Step 4: Simplify right side
    96,654.80x = 12,177,489,120.72
  5. Step 5: Solve for x
    x = 12,177,489,120.72/96,654.80
  6. Step 6: Final answer
    x = 125,989.49

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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.