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Finding the Fourth Proportional to 122,313.10, 183,469.65 and 110,065.90

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Solution

The fourth proportional to 122,313.10, 183,469.65 and 110,065.90 is: 165,098.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,313.10 : 183,469.65 = 110,065.90 : x
  2. Step 2: Convert to fraction form
    122,313.10/183,469.65 = 110,065.90/x
  3. Step 3: Cross multiply
    122,313.10x = 183,469.65 × 110,065.90
  4. Step 4: Simplify right side
    122,313.10x = 20,193,752,149.94
  5. Step 5: Solve for x
    x = 20,193,752,149.94/122,313.10
  6. Step 6: Final answer
    x = 165,098.85

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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.