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Finding the Fourth Proportional to 68,391.90, 102,611.54 and 24,024.96

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Solution

The fourth proportional to 68,391.90, 102,611.54 and 24,024.96 is: 36,045.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,391.90 : 102,611.54 = 24,024.96 : x
  2. Step 2: Convert to fraction form
    68,391.90/102,611.54 = 24,024.96/x
  3. Step 3: Cross multiply
    68,391.90x = 102,611.54 × 24,024.96
  4. Step 4: Simplify right side
    68,391.90x = 2,465,238,144.04
  5. Step 5: Solve for x
    x = 2,465,238,144.04/68,391.90
  6. Step 6: Final answer
    x = 36,045.76

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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.