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Finding the Fourth Proportional to 96,951.12, 133,867.80 and 75,693.12

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Solution

The fourth proportional to 96,951.12, 133,867.80 and 75,693.12 is: 104,515.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,951.12 : 133,867.80 = 75,693.12 : x
  2. Step 2: Convert to fraction form
    96,951.12/133,867.80 = 75,693.12/x
  3. Step 3: Cross multiply
    96,951.12x = 133,867.80 × 75,693.12
  4. Step 4: Simplify right side
    96,951.12x = 10,132,871,449.54
  5. Step 5: Solve for x
    x = 10,132,871,449.54/96,951.12
  6. Step 6: Final answer
    x = 104,515.26

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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.