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Finding the Fourth Proportional to 70,839.66, 106,274.16 and 59,233.98

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Solution

The fourth proportional to 70,839.66, 106,274.16 and 59,233.98 is: 88,863.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,839.66 : 106,274.16 = 59,233.98 : x
  2. Step 2: Convert to fraction form
    70,839.66/106,274.16 = 59,233.98/x
  3. Step 3: Cross multiply
    70,839.66x = 106,274.16 × 59,233.98
  4. Step 4: Simplify right side
    70,839.66x = 6,295,041,467.96
  5. Step 5: Solve for x
    x = 6,295,041,467.96/70,839.66
  6. Step 6: Final answer
    x = 88,863.24

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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.