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Finding the Fourth Proportional to 173,574.88, 260,510.25 and 68,467.66

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Solution

The fourth proportional to 173,574.88, 260,510.25 and 68,467.66 is: 102,759.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,574.88 : 260,510.25 = 68,467.66 : x
  2. Step 2: Convert to fraction form
    173,574.88/260,510.25 = 68,467.66/x
  3. Step 3: Cross multiply
    173,574.88x = 260,510.25 × 68,467.66
  4. Step 4: Simplify right side
    173,574.88x = 17,836,527,223.52
  5. Step 5: Solve for x
    x = 17,836,527,223.52/173,574.88
  6. Step 6: Final answer
    x = 102,759.84

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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.