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Finding the Fourth Proportional to 188,234.60, 259,777.38 and 124,461.80

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Solution

The fourth proportional to 188,234.60, 259,777.38 and 124,461.80 is: 171,766.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,234.60 : 259,777.38 = 124,461.80 : x
  2. Step 2: Convert to fraction form
    188,234.60/259,777.38 = 124,461.80/x
  3. Step 3: Cross multiply
    188,234.60x = 259,777.38 × 124,461.80
  4. Step 4: Simplify right side
    188,234.60x = 32,332,360,314.08
  5. Step 5: Solve for x
    x = 32,332,360,314.08/188,234.60
  6. Step 6: Final answer
    x = 171,766.30

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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.