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Finding the Fourth Proportional to 167,233.40, 250,888.40 and 72,479.50

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Solution

The fourth proportional to 167,233.40, 250,888.40 and 72,479.50 is: 108,735.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,233.40 : 250,888.40 = 72,479.50 : x
  2. Step 2: Convert to fraction form
    167,233.40/250,888.40 = 72,479.50/x
  3. Step 3: Cross multiply
    167,233.40x = 250,888.40 × 72,479.50
  4. Step 4: Simplify right side
    167,233.40x = 18,184,265,787.80
  5. Step 5: Solve for x
    x = 18,184,265,787.80/167,233.40
  6. Step 6: Final answer
    x = 108,735.85

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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.