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Finding the Fourth Proportional to 70,322.76, 97,027.23 and 41,642.97

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Solution

The fourth proportional to 70,322.76, 97,027.23 and 41,642.97 is: 57,456.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,322.76 : 97,027.23 = 41,642.97 : x
  2. Step 2: Convert to fraction form
    70,322.76/97,027.23 = 41,642.97/x
  3. Step 3: Cross multiply
    70,322.76x = 97,027.23 × 41,642.97
  4. Step 4: Simplify right side
    70,322.76x = 4,040,502,028.07
  5. Step 5: Solve for x
    x = 4,040,502,028.07/70,322.76
  6. Step 6: Final answer
    x = 57,456.53

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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.