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Finding the Fourth Proportional to 267,672.90, 369,389.13 and 146,815.17

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Solution

The fourth proportional to 267,672.90, 369,389.13 and 146,815.17 is: 202,605.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,672.90 : 369,389.13 = 146,815.17 : x
  2. Step 2: Convert to fraction form
    267,672.90/369,389.13 = 146,815.17/x
  3. Step 3: Cross multiply
    267,672.90x = 369,389.13 × 146,815.17
  4. Step 4: Simplify right side
    267,672.90x = 54,231,927,917.10
  5. Step 5: Solve for x
    x = 54,231,927,917.10/267,672.90
  6. Step 6: Final answer
    x = 202,605.22

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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.