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Finding the Fourth Proportional to 267,934.44, 401,590.01 and 99,324.94

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Solution

The fourth proportional to 267,934.44, 401,590.01 and 99,324.94 is: 148,871.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,934.44 : 401,590.01 = 99,324.94 : x
  2. Step 2: Convert to fraction form
    267,934.44/401,590.01 = 99,324.94/x
  3. Step 3: Cross multiply
    267,934.44x = 401,590.01 × 99,324.94
  4. Step 4: Simplify right side
    267,934.44x = 39,887,903,086.47
  5. Step 5: Solve for x
    x = 39,887,903,086.47/267,934.44
  6. Step 6: Final answer
    x = 148,871.88

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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.