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Finding the Fourth Proportional to 188,079.36, 282,081.60 and 88,213.92

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Solution

The fourth proportional to 188,079.36, 282,081.60 and 88,213.92 is: 132,303.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,079.36 : 282,081.60 = 88,213.92 : x
  2. Step 2: Convert to fraction form
    188,079.36/282,081.60 = 88,213.92/x
  3. Step 3: Cross multiply
    188,079.36x = 282,081.60 × 88,213.92
  4. Step 4: Simplify right side
    188,079.36x = 24,883,523,695.87
  5. Step 5: Solve for x
    x = 24,883,523,695.87/188,079.36
  6. Step 6: Final answer
    x = 132,303.32

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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.