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Finding the Fourth Proportional to 188,559.18, 282,795.03 and 70,286.22

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Solution

The fourth proportional to 188,559.18, 282,795.03 and 70,286.22 is: 105,413.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,559.18 : 282,795.03 = 70,286.22 : x
  2. Step 2: Convert to fraction form
    188,559.18/282,795.03 = 70,286.22/x
  3. Step 3: Cross multiply
    188,559.18x = 282,795.03 × 70,286.22
  4. Step 4: Simplify right side
    188,559.18x = 19,876,593,693.49
  5. Step 5: Solve for x
    x = 19,876,593,693.49/188,559.18
  6. Step 6: Final answer
    x = 105,413.03

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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.