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Finding the Fourth Proportional to 188,095.60, 259,571.96 and 107,524.90

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Solution

The fourth proportional to 188,095.60, 259,571.96 and 107,524.90 is: 148,384.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,095.60 : 259,571.96 = 107,524.90 : x
  2. Step 2: Convert to fraction form
    188,095.60/259,571.96 = 107,524.90/x
  3. Step 3: Cross multiply
    188,095.60x = 259,571.96 × 107,524.90
  4. Step 4: Simplify right side
    188,095.60x = 27,910,449,041.80
  5. Step 5: Solve for x
    x = 27,910,449,041.80/188,095.60
  6. Step 6: Final answer
    x = 148,384.38

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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.