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Finding the Fourth Proportional to 267,488.78, 401,116.53 and 101,160.14

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Solution

The fourth proportional to 267,488.78, 401,116.53 and 101,160.14 is: 151,696.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,488.78 : 401,116.53 = 101,160.14 : x
  2. Step 2: Convert to fraction form
    267,488.78/401,116.53 = 101,160.14/x
  3. Step 3: Cross multiply
    267,488.78x = 401,116.53 × 101,160.14
  4. Step 4: Simplify right side
    267,488.78x = 40,577,004,676.65
  5. Step 5: Solve for x
    x = 40,577,004,676.65/267,488.78
  6. Step 6: Final answer
    x = 151,696.10

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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.