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Finding the Fourth Proportional to 70,144.68, 96,735.54 and 54,833.25

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Solution

The fourth proportional to 70,144.68, 96,735.54 and 54,833.25 is: 75,619.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,144.68 : 96,735.54 = 54,833.25 : x
  2. Step 2: Convert to fraction form
    70,144.68/96,735.54 = 54,833.25/x
  3. Step 3: Cross multiply
    70,144.68x = 96,735.54 × 54,833.25
  4. Step 4: Simplify right side
    70,144.68x = 5,304,324,048.71
  5. Step 5: Solve for x
    x = 5,304,324,048.71/70,144.68
  6. Step 6: Final answer
    x = 75,619.76

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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.