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Finding the Fourth Proportional to 248,510.70, 372,766.05 and 173,715.30

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Solution

The fourth proportional to 248,510.70, 372,766.05 and 173,715.30 is: 260,572.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,510.70 : 372,766.05 = 173,715.30 : x
  2. Step 2: Convert to fraction form
    248,510.70/372,766.05 = 173,715.30/x
  3. Step 3: Cross multiply
    248,510.70x = 372,766.05 × 173,715.30
  4. Step 4: Simplify right side
    248,510.70x = 64,755,166,205.57
  5. Step 5: Solve for x
    x = 64,755,166,205.57/248,510.70
  6. Step 6: Final answer
    x = 260,572.95

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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.