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Finding the Fourth Proportional to 70,469.39, 97,248.51 and 40,258.73

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Solution

The fourth proportional to 70,469.39, 97,248.51 and 40,258.73 is: 55,557.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,469.39 : 97,248.51 = 40,258.73 : x
  2. Step 2: Convert to fraction form
    70,469.39/97,248.51 = 40,258.73/x
  3. Step 3: Cross multiply
    70,469.39x = 97,248.51 × 40,258.73
  4. Step 4: Simplify right side
    70,469.39x = 3,915,101,020.75
  5. Step 5: Solve for x
    x = 3,915,101,020.75/70,469.39
  6. Step 6: Final answer
    x = 55,557.47

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.