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Finding the Fourth Proportional to 118,760.50, 163,883.24 and 65,044.36

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Solution

The fourth proportional to 118,760.50, 163,883.24 and 65,044.36 is: 89,757.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,760.50 : 163,883.24 = 65,044.36 : x
  2. Step 2: Convert to fraction form
    118,760.50/163,883.24 = 65,044.36/x
  3. Step 3: Cross multiply
    118,760.50x = 163,883.24 × 65,044.36
  4. Step 4: Simplify right side
    118,760.50x = 10,659,680,460.53
  5. Step 5: Solve for x
    x = 10,659,680,460.53/118,760.50
  6. Step 6: Final answer
    x = 89,757.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.