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Finding the Fourth Proportional to 267,552.14, 401,369.72 and 90,045.29

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Solution

The fourth proportional to 267,552.14, 401,369.72 and 90,045.29 is: 135,081.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,552.14 : 401,369.72 = 90,045.29 : x
  2. Step 2: Convert to fraction form
    267,552.14/401,369.72 = 90,045.29/x
  3. Step 3: Cross multiply
    267,552.14x = 401,369.72 × 90,045.29
  4. Step 4: Simplify right side
    267,552.14x = 36,141,453,387.82
  5. Step 5: Solve for x
    x = 36,141,453,387.82/267,552.14
  6. Step 6: Final answer
    x = 135,081.91

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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.