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Finding the Fourth Proportional to 96,874.56, 144,750.87 and 74,261.52

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Solution

The fourth proportional to 96,874.56, 144,750.87 and 74,261.52 is: 110,962.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,874.56 : 144,750.87 = 74,261.52 : x
  2. Step 2: Convert to fraction form
    96,874.56/144,750.87 = 74,261.52/x
  3. Step 3: Cross multiply
    96,874.56x = 144,750.87 × 74,261.52
  4. Step 4: Simplify right side
    96,874.56x = 10,749,419,627.52
  5. Step 5: Solve for x
    x = 10,749,419,627.52/96,874.56
  6. Step 6: Final answer
    x = 110,962.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.