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Finding the Fourth Proportional to 267,903.01, 401,924.55 and 155,475.15

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Solution

The fourth proportional to 267,903.01, 401,924.55 and 155,475.15 is: 233,253.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,903.01 : 401,924.55 = 155,475.15 : x
  2. Step 2: Convert to fraction form
    267,903.01/401,924.55 = 155,475.15/x
  3. Step 3: Cross multiply
    267,903.01x = 401,924.55 × 155,475.15
  4. Step 4: Simplify right side
    267,903.01x = 62,489,279,699.93
  5. Step 5: Solve for x
    x = 62,489,279,699.93/267,903.01
  6. Step 6: Final answer
    x = 233,253.37

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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.