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Finding the Fourth Proportional to 88,290.98, 132,258.93 and 40,839.46

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Solution

The fourth proportional to 88,290.98, 132,258.93 and 40,839.46 is: 61,177.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,290.98 : 132,258.93 = 40,839.46 : x
  2. Step 2: Convert to fraction form
    88,290.98/132,258.93 = 40,839.46/x
  3. Step 3: Cross multiply
    88,290.98x = 132,258.93 × 40,839.46
  4. Step 4: Simplify right side
    88,290.98x = 5,401,382,797.58
  5. Step 5: Solve for x
    x = 5,401,382,797.58/88,290.98
  6. Step 6: Final answer
    x = 61,177.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.