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Finding the Fourth Proportional to 83,805,605.06, 115,661,803.14 and 50,764,884.73

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Solution

The fourth proportional to 83,805,605.06, 115,661,803.14 and 50,764,884.73 is: 70,061,639.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,805,605.06 : 115,661,803.14 = 50,764,884.73 : x
  2. Step 2: Convert to fraction form
    83,805,605.06/115,661,803.14 = 50,764,884.73/x
  3. Step 3: Cross multiply
    83,805,605.06x = 115,661,803.14 × 50,764,884.73
  4. Step 4: Simplify right side
    83,805,605.06x = 5,871,558,103,233,919
  5. Step 5: Solve for x
    x = 5,871,558,103,233,919/83,805,605.06
  6. Step 6: Final answer
    x = 70,061,639.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.