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Finding the Fourth Proportional to 188,604.45, 282,666.11 and 88,543.73

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Solution

The fourth proportional to 188,604.45, 282,666.11 and 88,543.73 is: 132,702.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,604.45 : 282,666.11 = 88,543.73 : x
  2. Step 2: Convert to fraction form
    188,604.45/282,666.11 = 88,543.73/x
  3. Step 3: Cross multiply
    188,604.45x = 282,666.11 × 88,543.73
  4. Step 4: Simplify right side
    188,604.45x = 25,028,311,987.94
  5. Step 5: Solve for x
    x = 25,028,311,987.94/188,604.45
  6. Step 6: Final answer
    x = 132,702.66

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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.