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Finding the Fourth Proportional to 70,040.34, 96,642.45 and 41,748.66

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Solution

The fourth proportional to 70,040.34, 96,642.45 and 41,748.66 is: 57,605.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,040.34 : 96,642.45 = 41,748.66 : x
  2. Step 2: Convert to fraction form
    70,040.34/96,642.45 = 41,748.66/x
  3. Step 3: Cross multiply
    70,040.34x = 96,642.45 × 41,748.66
  4. Step 4: Simplify right side
    70,040.34x = 4,034,692,786.62
  5. Step 5: Solve for x
    x = 4,034,692,786.62/70,040.34
  6. Step 6: Final answer
    x = 57,605.27

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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.