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Finding the Fourth Proportional to 110,725.76, 152,793.60 and 65,401.44

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Solution

The fourth proportional to 110,725.76, 152,793.60 and 65,401.44 is: 90,249.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,725.76 : 152,793.60 = 65,401.44 : x
  2. Step 2: Convert to fraction form
    110,725.76/152,793.60 = 65,401.44/x
  3. Step 3: Cross multiply
    110,725.76x = 152,793.60 × 65,401.44
  4. Step 4: Simplify right side
    110,725.76x = 9,992,921,462.78
  5. Step 5: Solve for x
    x = 9,992,921,462.78/110,725.76
  6. Step 6: Final answer
    x = 90,249.29

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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.