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Finding the Fourth Proportional to 70,599.75, 97,436.30 and 40,791.75

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Solution

The fourth proportional to 70,599.75, 97,436.30 and 40,791.75 is: 56,297.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,599.75 : 97,436.30 = 40,791.75 : x
  2. Step 2: Convert to fraction form
    70,599.75/97,436.30 = 40,791.75/x
  3. Step 3: Cross multiply
    70,599.75x = 97,436.30 × 40,791.75
  4. Step 4: Simplify right side
    70,599.75x = 3,974,596,986.57
  5. Step 5: Solve for x
    x = 3,974,596,986.57/70,599.75
  6. Step 6: Final answer
    x = 56,297.61

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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.