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Finding the Fourth Proportional to 70,063.62, 96,793.08 and 45,921.87

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Solution

The fourth proportional to 70,063.62, 96,793.08 and 45,921.87 is: 63,441.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,063.62 : 96,793.08 = 45,921.87 : x
  2. Step 2: Convert to fraction form
    70,063.62/96,793.08 = 45,921.87/x
  3. Step 3: Cross multiply
    70,063.62x = 96,793.08 × 45,921.87
  4. Step 4: Simplify right side
    70,063.62x = 4,444,919,236.66
  5. Step 5: Solve for x
    x = 4,444,919,236.66/70,063.62
  6. Step 6: Final answer
    x = 63,441.19

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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.