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Finding the Fourth Proportional to 83,706.27, 115,515.45 and 45,980.52

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Solution

The fourth proportional to 83,706.27, 115,515.45 and 45,980.52 is: 63,453.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,706.27 : 115,515.45 = 45,980.52 : x
  2. Step 2: Convert to fraction form
    83,706.27/115,515.45 = 45,980.52/x
  3. Step 3: Cross multiply
    83,706.27x = 115,515.45 × 45,980.52
  4. Step 4: Simplify right side
    83,706.27x = 5,311,460,459.03
  5. Step 5: Solve for x
    x = 5,311,460,459.03/83,706.27
  6. Step 6: Final answer
    x = 63,453.56

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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.