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Finding the Fourth Proportional to 71,697.06, 98,931.11 and 41,476.41

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Solution

The fourth proportional to 71,697.06, 98,931.11 and 41,476.41 is: 57,231.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,697.06 : 98,931.11 = 41,476.41 : x
  2. Step 2: Convert to fraction form
    71,697.06/98,931.11 = 41,476.41/x
  3. Step 3: Cross multiply
    71,697.06x = 98,931.11 × 41,476.41
  4. Step 4: Simplify right side
    71,697.06x = 4,103,307,072.73
  5. Step 5: Solve for x
    x = 4,103,307,072.73/71,697.06
  6. Step 6: Final answer
    x = 57,231.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.