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Finding the Fourth Proportional to 267,681.64, 400,987.11 and 161,006.69

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Solution

The fourth proportional to 267,681.64, 400,987.11 and 161,006.69 is: 241,188.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,681.64 : 400,987.11 = 161,006.69 : x
  2. Step 2: Convert to fraction form
    267,681.64/400,987.11 = 161,006.69/x
  3. Step 3: Cross multiply
    267,681.64x = 400,987.11 × 161,006.69
  4. Step 4: Simplify right side
    267,681.64x = 64,561,607,313.77
  5. Step 5: Solve for x
    x = 64,561,607,313.77/267,681.64
  6. Step 6: Final answer
    x = 241,188.03

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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.