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Finding the Fourth Proportional to 73,377.20, 101,110.20 and 60,676.40

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Solution

The fourth proportional to 73,377.20, 101,110.20 and 60,676.40 is: 83,609.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,377.20 : 101,110.20 = 60,676.40 : x
  2. Step 2: Convert to fraction form
    73,377.20/101,110.20 = 60,676.40/x
  3. Step 3: Cross multiply
    73,377.20x = 101,110.20 × 60,676.40
  4. Step 4: Simplify right side
    73,377.20x = 6,135,002,939.28
  5. Step 5: Solve for x
    x = 6,135,002,939.28/73,377.20
  6. Step 6: Final answer
    x = 83,609.12

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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.