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Finding the Fourth Proportional to 203,159.10, 304,787.82 and 61,004.10

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Solution

The fourth proportional to 203,159.10, 304,787.82 and 61,004.10 is: 91,520.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,159.10 : 304,787.82 = 61,004.10 : x
  2. Step 2: Convert to fraction form
    203,159.10/304,787.82 = 61,004.10/x
  3. Step 3: Cross multiply
    203,159.10x = 304,787.82 × 61,004.10
  4. Step 4: Simplify right side
    203,159.10x = 18,593,306,650.06
  5. Step 5: Solve for x
    x = 18,593,306,650.06/203,159.10
  6. Step 6: Final answer
    x = 91,520.91

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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.