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Finding the Fourth Proportional to 64,881.81, 97,395.62 and 50,266.98

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Solution

The fourth proportional to 64,881.81, 97,395.62 and 50,266.98 is: 75,456.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,881.81 : 97,395.62 = 50,266.98 : x
  2. Step 2: Convert to fraction form
    64,881.81/97,395.62 = 50,266.98/x
  3. Step 3: Cross multiply
    64,881.81x = 97,395.62 × 50,266.98
  4. Step 4: Simplify right side
    64,881.81x = 4,895,783,431.29
  5. Step 5: Solve for x
    x = 4,895,783,431.29/64,881.81
  6. Step 6: Final answer
    x = 75,456.95

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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.