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Finding the Fourth Proportional to 83,626.39, 115,405.24 and 45,386.27

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Solution

The fourth proportional to 83,626.39, 115,405.24 and 45,386.27 is: 62,633.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,626.39 : 115,405.24 = 45,386.27 : x
  2. Step 2: Convert to fraction form
    83,626.39/115,405.24 = 45,386.27/x
  3. Step 3: Cross multiply
    83,626.39x = 115,405.24 × 45,386.27
  4. Step 4: Simplify right side
    83,626.39x = 5,237,813,382.05
  5. Step 5: Solve for x
    x = 5,237,813,382.05/83,626.39
  6. Step 6: Final answer
    x = 62,633.50

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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.