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Finding the Fourth Proportional to 155,791.92, 233,594.46 and 71,446.44

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Solution

The fourth proportional to 155,791.92, 233,594.46 and 71,446.44 is: 107,126.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,791.92 : 233,594.46 = 71,446.44 : x
  2. Step 2: Convert to fraction form
    155,791.92/233,594.46 = 71,446.44/x
  3. Step 3: Cross multiply
    155,791.92x = 233,594.46 × 71,446.44
  4. Step 4: Simplify right side
    155,791.92x = 16,689,492,570.72
  5. Step 5: Solve for x
    x = 16,689,492,570.72/155,791.92
  6. Step 6: Final answer
    x = 107,126.82

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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.