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Finding the Fourth Proportional to 267,687.09, 369,401.79 and 146,827.29

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Solution

The fourth proportional to 267,687.09, 369,401.79 and 146,827.29 is: 202,618.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,687.09 : 369,401.79 = 146,827.29 : x
  2. Step 2: Convert to fraction form
    267,687.09/369,401.79 = 146,827.29/x
  3. Step 3: Cross multiply
    267,687.09x = 369,401.79 × 146,827.29
  4. Step 4: Simplify right side
    267,687.09x = 54,238,263,746.85
  5. Step 5: Solve for x
    x = 54,238,263,746.85/267,687.09
  6. Step 6: Final answer
    x = 202,618.15

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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.