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Finding the Fourth Proportional to 215,880.88, 323,893.04 and 95,921.16

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Solution

The fourth proportional to 215,880.88, 323,893.04 and 95,921.16 is: 143,913.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,880.88 : 323,893.04 = 95,921.16 : x
  2. Step 2: Convert to fraction form
    215,880.88/323,893.04 = 95,921.16/x
  3. Step 3: Cross multiply
    215,880.88x = 323,893.04 × 95,921.16
  4. Step 4: Simplify right side
    215,880.88x = 31,068,196,112.73
  5. Step 5: Solve for x
    x = 31,068,196,112.73/215,880.88
  6. Step 6: Final answer
    x = 143,913.61

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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.