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Finding the Fourth Proportional to 70,610.31, 97,414.07 and 45,110.07

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Solution

The fourth proportional to 70,610.31, 97,414.07 and 45,110.07 is: 62,233.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,610.31 : 97,414.07 = 45,110.07 : x
  2. Step 2: Convert to fraction form
    70,610.31/97,414.07 = 45,110.07/x
  3. Step 3: Cross multiply
    70,610.31x = 97,414.07 × 45,110.07
  4. Step 4: Simplify right side
    70,610.31x = 4,394,355,291.13
  5. Step 5: Solve for x
    x = 4,394,355,291.13/70,610.31
  6. Step 6: Final answer
    x = 62,233.90

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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.