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Finding the Fourth Proportional to 66,266.70, 91,439.73 and 44,803.14

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Solution

The fourth proportional to 66,266.70, 91,439.73 and 44,803.14 is: 61,822.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,266.70 : 91,439.73 = 44,803.14 : x
  2. Step 2: Convert to fraction form
    66,266.70/91,439.73 = 44,803.14/x
  3. Step 3: Cross multiply
    66,266.70x = 91,439.73 × 44,803.14
  4. Step 4: Simplify right side
    66,266.70x = 4,096,787,024.75
  5. Step 5: Solve for x
    x = 4,096,787,024.75/66,266.70
  6. Step 6: Final answer
    x = 61,822.71

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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.