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Finding the Fourth Proportional to 188,255.72, 282,320.94 and 75,906.92

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Solution

The fourth proportional to 188,255.72, 282,320.94 and 75,906.92 is: 113,835.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,255.72 : 282,320.94 = 75,906.92 : x
  2. Step 2: Convert to fraction form
    188,255.72/282,320.94 = 75,906.92/x
  3. Step 3: Cross multiply
    188,255.72x = 282,320.94 × 75,906.92
  4. Step 4: Simplify right side
    188,255.72x = 21,430,113,006.90
  5. Step 5: Solve for x
    x = 21,430,113,006.90/188,255.72
  6. Step 6: Final answer
    x = 113,835.12

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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.