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Finding the Fourth Proportional to 173,760.60, 260,576.10 and 68,557.80

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Solution

The fourth proportional to 173,760.60, 260,576.10 and 68,557.80 is: 102,811.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,760.60 : 260,576.10 = 68,557.80 : x
  2. Step 2: Convert to fraction form
    173,760.60/260,576.10 = 68,557.80/x
  3. Step 3: Cross multiply
    173,760.60x = 260,576.10 × 68,557.80
  4. Step 4: Simplify right side
    173,760.60x = 17,864,524,148.58
  5. Step 5: Solve for x
    x = 17,864,524,148.58/173,760.60
  6. Step 6: Final answer
    x = 102,811.13

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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.