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Finding the Fourth Proportional to 188,272.80, 282,409.20 and 88,501.86

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Solution

The fourth proportional to 188,272.80, 282,409.20 and 88,501.86 is: 132,752.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,272.80 : 282,409.20 = 88,501.86 : x
  2. Step 2: Convert to fraction form
    188,272.80/282,409.20 = 88,501.86/x
  3. Step 3: Cross multiply
    188,272.80x = 282,409.20 × 88,501.86
  4. Step 4: Simplify right side
    188,272.80x = 24,993,739,481.11
  5. Step 5: Solve for x
    x = 24,993,739,481.11/188,272.80
  6. Step 6: Final answer
    x = 132,752.79

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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.