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Finding the Fourth Proportional to 188,247.77, 282,288.76 and 88,436.33

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Solution

The fourth proportional to 188,247.77, 282,288.76 and 88,436.33 is: 132,615.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,247.77 : 282,288.76 = 88,436.33 : x
  2. Step 2: Convert to fraction form
    188,247.77/282,288.76 = 88,436.33/x
  3. Step 3: Cross multiply
    188,247.77x = 282,288.76 × 88,436.33
  4. Step 4: Simplify right side
    188,247.77x = 24,964,581,934.65
  5. Step 5: Solve for x
    x = 24,964,581,934.65/188,247.77
  6. Step 6: Final answer
    x = 132,615.55

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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.