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Finding the Fourth Proportional to 66,974.34, 92,437.33 and 44,313.78

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Solution

The fourth proportional to 66,974.34, 92,437.33 and 44,313.78 is: 61,161.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,974.34 : 92,437.33 = 44,313.78 : x
  2. Step 2: Convert to fraction form
    66,974.34/92,437.33 = 44,313.78/x
  3. Step 3: Cross multiply
    66,974.34x = 92,437.33 × 44,313.78
  4. Step 4: Simplify right side
    66,974.34x = 4,096,247,505.41
  5. Step 5: Solve for x
    x = 4,096,247,505.41/66,974.34
  6. Step 6: Final answer
    x = 61,161.45

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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.