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Finding the Fourth Proportional to 71,362.26, 98,480.75 and 39,097.76

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Solution

The fourth proportional to 71,362.26, 98,480.75 and 39,097.76 is: 53,955.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,362.26 : 98,480.75 = 39,097.76 : x
  2. Step 2: Convert to fraction form
    71,362.26/98,480.75 = 39,097.76/x
  3. Step 3: Cross multiply
    71,362.26x = 98,480.75 × 39,097.76
  4. Step 4: Simplify right side
    71,362.26x = 3,850,376,040.23
  5. Step 5: Solve for x
    x = 3,850,376,040.23/71,362.26
  6. Step 6: Final answer
    x = 53,955.35

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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.