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Finding the Fourth Proportional to 167,999.80, 251,999.70 and 49,672.30

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Solution

The fourth proportional to 167,999.80, 251,999.70 and 49,672.30 is: 74,508.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,999.80 : 251,999.70 = 49,672.30 : x
  2. Step 2: Convert to fraction form
    167,999.80/251,999.70 = 49,672.30/x
  3. Step 3: Cross multiply
    167,999.80x = 251,999.70 × 49,672.30
  4. Step 4: Simplify right side
    167,999.80x = 12,517,404,698.31
  5. Step 5: Solve for x
    x = 12,517,404,698.31/167,999.80
  6. Step 6: Final answer
    x = 74,508.45

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1.5x scale

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.