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Finding the Fourth Proportional to 188,539.52, 282,901.48 and 88,709.66

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Solution

The fourth proportional to 188,539.52, 282,901.48 and 88,709.66 is: 133,107.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,539.52 : 282,901.48 = 88,709.66 : x
  2. Step 2: Convert to fraction form
    188,539.52/282,901.48 = 88,709.66/x
  3. Step 3: Cross multiply
    188,539.52x = 282,901.48 × 88,709.66
  4. Step 4: Simplify right side
    188,539.52x = 25,096,092,468.02
  5. Step 5: Solve for x
    x = 25,096,092,468.02/188,539.52
  6. Step 6: Final answer
    x = 133,107.86

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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.