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Finding the Fourth Proportional to 267,060.48, 400,580.25 and 67,378.38

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Solution

The fourth proportional to 267,060.48, 400,580.25 and 67,378.38 is: 101,064.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,060.48 : 400,580.25 = 67,378.38 : x
  2. Step 2: Convert to fraction form
    267,060.48/400,580.25 = 67,378.38/x
  3. Step 3: Cross multiply
    267,060.48x = 400,580.25 × 67,378.38
  4. Step 4: Simplify right side
    267,060.48x = 26,990,448,305.00
  5. Step 5: Solve for x
    x = 26,990,448,305.00/267,060.48
  6. Step 6: Final answer
    x = 101,064.93

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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.