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Finding the Fourth Proportional to 71,097.67, 98,114.47 and 39,266.41

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Solution

The fourth proportional to 71,097.67, 98,114.47 and 39,266.41 is: 54,187.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,097.67 : 98,114.47 = 39,266.41 : x
  2. Step 2: Convert to fraction form
    71,097.67/98,114.47 = 39,266.41/x
  3. Step 3: Cross multiply
    71,097.67x = 98,114.47 × 39,266.41
  4. Step 4: Simplify right side
    71,097.67x = 3,852,603,005.95
  5. Step 5: Solve for x
    x = 3,852,603,005.95/71,097.67
  6. Step 6: Final answer
    x = 54,187.47

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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.