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Finding the Fourth Proportional to 78,463.49, 117,667.96 and 33,483.04

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Solution

The fourth proportional to 78,463.49, 117,667.96 and 33,483.04 is: 50,212.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,463.49 : 117,667.96 = 33,483.04 : x
  2. Step 2: Convert to fraction form
    78,463.49/117,667.96 = 33,483.04/x
  3. Step 3: Cross multiply
    78,463.49x = 117,667.96 × 33,483.04
  4. Step 4: Simplify right side
    78,463.49x = 3,939,880,633.52
  5. Step 5: Solve for x
    x = 3,939,880,633.52/78,463.49
  6. Step 6: Final answer
    x = 50,212.92

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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.