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Finding the Fourth Proportional to 134,863.50, 202,304.97 and 51,757.50

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Solution

The fourth proportional to 134,863.50, 202,304.97 and 51,757.50 is: 77,639.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,863.50 : 202,304.97 = 51,757.50 : x
  2. Step 2: Convert to fraction form
    134,863.50/202,304.97 = 51,757.50/x
  3. Step 3: Cross multiply
    134,863.50x = 202,304.97 × 51,757.50
  4. Step 4: Simplify right side
    134,863.50x = 10,470,799,484.78
  5. Step 5: Solve for x
    x = 10,470,799,484.78/134,863.50
  6. Step 6: Final answer
    x = 77,639.98

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.