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Finding the Fourth Proportional to 70,177.28, 96,947.09 and 60,729.44

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Solution

The fourth proportional to 70,177.28, 96,947.09 and 60,729.44 is: 83,895.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,177.28 : 96,947.09 = 60,729.44 : x
  2. Step 2: Convert to fraction form
    70,177.28/96,947.09 = 60,729.44/x
  3. Step 3: Cross multiply
    70,177.28x = 96,947.09 × 60,729.44
  4. Step 4: Simplify right side
    70,177.28x = 5,887,542,000.59
  5. Step 5: Solve for x
    x = 5,887,542,000.59/70,177.28
  6. Step 6: Final answer
    x = 83,895.28

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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.