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Finding the Fourth Proportional to 122,879.80, 169,468.14 and 95,980.60

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Solution

The fourth proportional to 122,879.80, 169,468.14 and 95,980.60 is: 132,370.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,879.80 : 169,468.14 = 95,980.60 : x
  2. Step 2: Convert to fraction form
    122,879.80/169,468.14 = 95,980.60/x
  3. Step 3: Cross multiply
    122,879.80x = 169,468.14 × 95,980.60
  4. Step 4: Simplify right side
    122,879.80x = 16,265,653,758.08
  5. Step 5: Solve for x
    x = 16,265,653,758.08/122,879.80
  6. Step 6: Final answer
    x = 132,370.44

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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.