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Finding the Fourth Proportional to 188,311.11, 282,482.03 and 88,416.81

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Solution

The fourth proportional to 188,311.11, 282,482.03 and 88,416.81 is: 132,632.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,311.11 : 282,482.03 = 88,416.81 : x
  2. Step 2: Convert to fraction form
    188,311.11/282,482.03 = 88,416.81/x
  3. Step 3: Cross multiply
    188,311.11x = 282,482.03 × 88,416.81
  4. Step 4: Simplify right side
    188,311.11x = 24,976,160,195.97
  5. Step 5: Solve for x
    x = 24,976,160,195.97/188,311.11
  6. Step 6: Final answer
    x = 132,632.43

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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.