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Finding the Fourth Proportional to 267,434.58, 401,152.50 and 67,755

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Solution

The fourth proportional to 267,434.58, 401,152.50 and 67,755 is: 101,632.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,434.58 : 401,152.50 = 67,755 : x
  2. Step 2: Convert to fraction form
    267,434.58/401,152.50 = 67,755/x
  3. Step 3: Cross multiply
    267,434.58x = 401,152.50 × 67,755
  4. Step 4: Simplify right side
    267,434.58x = 27,180,087,637.50
  5. Step 5: Solve for x
    x = 27,180,087,637.50/267,434.58
  6. Step 6: Final answer
    x = 101,632.66

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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.