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Finding the Fourth Proportional to 110,951.75, 153,115.85 and 60,650.75

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Solution

The fourth proportional to 110,951.75, 153,115.85 and 60,650.75 is: 83,699.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,951.75 : 153,115.85 = 60,650.75 : x
  2. Step 2: Convert to fraction form
    110,951.75/153,115.85 = 60,650.75/x
  3. Step 3: Cross multiply
    110,951.75x = 153,115.85 × 60,650.75
  4. Step 4: Simplify right side
    110,951.75x = 9,286,591,139.39
  5. Step 5: Solve for x
    x = 9,286,591,139.39/110,951.75
  6. Step 6: Final answer
    x = 83,699.37

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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.