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Finding the Fourth Proportional to 167,933.60, 251,866.72 and 82,508.80

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Solution

The fourth proportional to 167,933.60, 251,866.72 and 82,508.80 is: 123,746.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,933.60 : 251,866.72 = 82,508.80 : x
  2. Step 2: Convert to fraction form
    167,933.60/251,866.72 = 82,508.80/x
  3. Step 3: Cross multiply
    167,933.60x = 251,866.72 × 82,508.80
  4. Step 4: Simplify right side
    167,933.60x = 20,781,220,827.14
  5. Step 5: Solve for x
    x = 20,781,220,827.14/167,933.60
  6. Step 6: Final answer
    x = 123,746.65

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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.