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Finding the Fourth Proportional to 131,182.87, 196,788.36 and 36,413.45

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Solution

The fourth proportional to 131,182.87, 196,788.36 and 36,413.45 is: 54,624.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,182.87 : 196,788.36 = 36,413.45 : x
  2. Step 2: Convert to fraction form
    131,182.87/196,788.36 = 36,413.45/x
  3. Step 3: Cross multiply
    131,182.87x = 196,788.36 × 36,413.45
  4. Step 4: Simplify right side
    131,182.87x = 7,165,743,690.45
  5. Step 5: Solve for x
    x = 7,165,743,690.45/131,182.87
  6. Step 6: Final answer
    x = 54,624.08

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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.