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Finding the Fourth Proportional to 267,156.71, 400,610.51 and 154,869.03

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Solution

The fourth proportional to 267,156.71, 400,610.51 and 154,869.03 is: 232,231.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,156.71 : 400,610.51 = 154,869.03 : x
  2. Step 2: Convert to fraction form
    267,156.71/400,610.51 = 154,869.03/x
  3. Step 3: Cross multiply
    267,156.71x = 400,610.51 × 154,869.03
  4. Step 4: Simplify right side
    267,156.71x = 62,042,160,317.16
  5. Step 5: Solve for x
    x = 62,042,160,317.16/267,156.71
  6. Step 6: Final answer
    x = 232,231.34

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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.