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Finding the Fourth Proportional to 167,012.90, 250,470.36 and 47,061.89

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Solution

The fourth proportional to 167,012.90, 250,470.36 and 47,061.89 is: 70,579.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,012.90 : 250,470.36 = 47,061.89 : x
  2. Step 2: Convert to fraction form
    167,012.90/250,470.36 = 47,061.89/x
  3. Step 3: Cross multiply
    167,012.90x = 250,470.36 × 47,061.89
  4. Step 4: Simplify right side
    167,012.90x = 11,787,608,530.58
  5. Step 5: Solve for x
    x = 11,787,608,530.58/167,012.90
  6. Step 6: Final answer
    x = 70,579.03

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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.