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Finding the Fourth Proportional to 122,210.80, 168,422.60 and 95,310.80

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Solution

The fourth proportional to 122,210.80, 168,422.60 and 95,310.80 is: 131,350.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,210.80 : 168,422.60 = 95,310.80 : x
  2. Step 2: Convert to fraction form
    122,210.80/168,422.60 = 95,310.80/x
  3. Step 3: Cross multiply
    122,210.80x = 168,422.60 × 95,310.80
  4. Step 4: Simplify right side
    122,210.80x = 16,052,492,744.08
  5. Step 5: Solve for x
    x = 16,052,492,744.08/122,210.80
  6. Step 6: Final answer
    x = 131,350.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.