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Finding the Fourth Proportional to 70,062.74, 96,699.12 and 41,770.28

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Solution

The fourth proportional to 70,062.74, 96,699.12 and 41,770.28 is: 57,650.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,062.74 : 96,699.12 = 41,770.28 : x
  2. Step 2: Convert to fraction form
    70,062.74/96,699.12 = 41,770.28/x
  3. Step 3: Cross multiply
    70,062.74x = 96,699.12 × 41,770.28
  4. Step 4: Simplify right side
    70,062.74x = 4,039,149,318.15
  5. Step 5: Solve for x
    x = 4,039,149,318.15/70,062.74
  6. Step 6: Final answer
    x = 57,650.46

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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.