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Finding the Fourth Proportional to 106,251.60, 159,377.40 and 61,928.40

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Solution

The fourth proportional to 106,251.60, 159,377.40 and 61,928.40 is: 92,892.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,251.60 : 159,377.40 = 61,928.40 : x
  2. Step 2: Convert to fraction form
    106,251.60/159,377.40 = 61,928.40/x
  3. Step 3: Cross multiply
    106,251.60x = 159,377.40 × 61,928.40
  4. Step 4: Simplify right side
    106,251.60x = 9,869,987,378.16
  5. Step 5: Solve for x
    x = 9,869,987,378.16/106,251.60
  6. Step 6: Final answer
    x = 92,892.60

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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.