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Finding the Fourth Proportional to 195,354.74, 269,631.42 and 118,898.46

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Solution

The fourth proportional to 195,354.74, 269,631.42 and 118,898.46 is: 164,105.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,354.74 : 269,631.42 = 118,898.46 : x
  2. Step 2: Convert to fraction form
    195,354.74/269,631.42 = 118,898.46/x
  3. Step 3: Cross multiply
    195,354.74x = 269,631.42 × 118,898.46
  4. Step 4: Simplify right side
    195,354.74x = 32,058,760,605.61
  5. Step 5: Solve for x
    x = 32,058,760,605.61/195,354.74
  6. Step 6: Final answer
    x = 164,105.36

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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.