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Finding the Fourth Proportional to 159,393.46, 219,963.61 and 95,732.34

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Solution

The fourth proportional to 159,393.46, 219,963.61 and 95,732.34 is: 132,111.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,393.46 : 219,963.61 = 95,732.34 : x
  2. Step 2: Convert to fraction form
    159,393.46/219,963.61 = 95,732.34/x
  3. Step 3: Cross multiply
    159,393.46x = 219,963.61 × 95,732.34
  4. Step 4: Simplify right side
    159,393.46x = 21,057,631,100.15
  5. Step 5: Solve for x
    x = 21,057,631,100.15/159,393.46
  6. Step 6: Final answer
    x = 132,111.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.