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Finding the Fourth Proportional to 217,773.28, 326,630.16 and 59,979.04

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Solution

The fourth proportional to 217,773.28, 326,630.16 and 59,979.04 is: 89,960.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,773.28 : 326,630.16 = 59,979.04 : x
  2. Step 2: Convert to fraction form
    217,773.28/326,630.16 = 59,979.04/x
  3. Step 3: Cross multiply
    217,773.28x = 326,630.16 × 59,979.04
  4. Step 4: Simplify right side
    217,773.28x = 19,590,963,431.85
  5. Step 5: Solve for x
    x = 19,590,963,431.85/217,773.28
  6. Step 6: Final answer
    x = 89,960.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.