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Finding the Fourth Proportional to 167,230.40, 250,883.90 and 72,476.50

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Solution

The fourth proportional to 167,230.40, 250,883.90 and 72,476.50 is: 108,731.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,230.40 : 250,883.90 = 72,476.50 : x
  2. Step 2: Convert to fraction form
    167,230.40/250,883.90 = 72,476.50/x
  3. Step 3: Cross multiply
    167,230.40x = 250,883.90 × 72,476.50
  4. Step 4: Simplify right side
    167,230.40x = 18,183,186,978.35
  5. Step 5: Solve for x
    x = 18,183,186,978.35/167,230.40
  6. Step 6: Final answer
    x = 108,731.35

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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.