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Finding the Fourth Proportional to 167,228.40, 250,880.90 and 72,474.50

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Solution

The fourth proportional to 167,228.40, 250,880.90 and 72,474.50 is: 108,728.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,228.40 : 250,880.90 = 72,474.50 : x
  2. Step 2: Convert to fraction form
    167,228.40/250,880.90 = 72,474.50/x
  3. Step 3: Cross multiply
    167,228.40x = 250,880.90 × 72,474.50
  4. Step 4: Simplify right side
    167,228.40x = 18,182,466,640.67
  5. Step 5: Solve for x
    x = 18,182,466,640.67/167,228.40
  6. Step 6: Final answer
    x = 108,728.34

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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.