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Finding the Fourth Proportional to 66,436.17, 91,707.51 and 48,672.27

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Solution

The fourth proportional to 66,436.17, 91,707.51 and 48,672.27 is: 67,186.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,436.17 : 91,707.51 = 48,672.27 : x
  2. Step 2: Convert to fraction form
    66,436.17/91,707.51 = 48,672.27/x
  3. Step 3: Cross multiply
    66,436.17x = 91,707.51 × 48,672.27
  4. Step 4: Simplify right side
    66,436.17x = 4,463,612,687.75
  5. Step 5: Solve for x
    x = 4,463,612,687.75/66,436.17
  6. Step 6: Final answer
    x = 67,186.48

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