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Finding the Fourth Proportional to 88,141.20, 132,287.40 and 35,588.40

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Solution

The fourth proportional to 88,141.20, 132,287.40 and 35,588.40 is: 53,413.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,141.20 : 132,287.40 = 35,588.40 : x
  2. Step 2: Convert to fraction form
    88,141.20/132,287.40 = 35,588.40/x
  3. Step 3: Cross multiply
    88,141.20x = 132,287.40 × 35,588.40
  4. Step 4: Simplify right side
    88,141.20x = 4,707,896,906.16
  5. Step 5: Solve for x
    x = 4,707,896,906.16/88,141.20
  6. Step 6: Final answer
    x = 53,413.12

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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.