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Finding the Fourth Proportional to 188,429.01, 282,413.53 and 88,455.75

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Solution

The fourth proportional to 188,429.01, 282,413.53 and 88,455.75 is: 132,575.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,429.01 : 282,413.53 = 88,455.75 : x
  2. Step 2: Convert to fraction form
    188,429.01/282,413.53 = 88,455.75/x
  3. Step 3: Cross multiply
    188,429.01x = 282,413.53 × 88,455.75
  4. Step 4: Simplify right side
    188,429.01x = 24,981,100,606.30
  5. Step 5: Solve for x
    x = 24,981,100,606.30/188,429.01
  6. Step 6: Final answer
    x = 132,575.66

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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.