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Finding the Fourth Proportional to 267,260.09, 400,608.53 and 98,672.46

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Solution

The fourth proportional to 267,260.09, 400,608.53 and 98,672.46 is: 147,904.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,260.09 : 400,608.53 = 98,672.46 : x
  2. Step 2: Convert to fraction form
    267,260.09/400,608.53 = 98,672.46/x
  3. Step 3: Cross multiply
    267,260.09x = 400,608.53 × 98,672.46
  4. Step 4: Simplify right side
    267,260.09x = 39,529,030,334.92
  5. Step 5: Solve for x
    x = 39,529,030,334.92/267,260.09
  6. Step 6: Final answer
    x = 147,904.73

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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.