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Finding the Fourth Proportional to 168,875.44, 253,603.24 and 149,942.70

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Solution

The fourth proportional to 168,875.44, 253,603.24 and 149,942.70 is: 225,171.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,875.44 : 253,603.24 = 149,942.70 : x
  2. Step 2: Convert to fraction form
    168,875.44/253,603.24 = 149,942.70/x
  3. Step 3: Cross multiply
    168,875.44x = 253,603.24 × 149,942.70
  4. Step 4: Simplify right side
    168,875.44x = 38,025,954,534.35
  5. Step 5: Solve for x
    x = 38,025,954,534.35/168,875.44
  6. Step 6: Final answer
    x = 225,171.61

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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.