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Finding the Fourth Proportional to 93,961.18, 129,667.44 and 53,680.30

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Solution

The fourth proportional to 93,961.18, 129,667.44 and 53,680.30 is: 74,079.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,961.18 : 129,667.44 = 53,680.30 : x
  2. Step 2: Convert to fraction form
    93,961.18/129,667.44 = 53,680.30/x
  3. Step 3: Cross multiply
    93,961.18x = 129,667.44 × 53,680.30
  4. Step 4: Simplify right side
    93,961.18x = 6,960,587,079.43
  5. Step 5: Solve for x
    x = 6,960,587,079.43/93,961.18
  6. Step 6: Final answer
    x = 74,079.39

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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.