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Finding the Fourth Proportional to 110,543.88, 152,575.17 and 70,249.78

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Solution

The fourth proportional to 110,543.88, 152,575.17 and 70,249.78 is: 96,960.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,543.88 : 152,575.17 = 70,249.78 : x
  2. Step 2: Convert to fraction form
    110,543.88/152,575.17 = 70,249.78/x
  3. Step 3: Cross multiply
    110,543.88x = 152,575.17 × 70,249.78
  4. Step 4: Simplify right side
    110,543.88x = 10,718,372,125.96
  5. Step 5: Solve for x
    x = 10,718,372,125.96/110,543.88
  6. Step 6: Final answer
    x = 96,960.34

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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.