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Finding the Fourth Proportional to 69,101.52, 103,526.52 and 47,996.97

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Solution

The fourth proportional to 69,101.52, 103,526.52 and 47,996.97 is: 71,908.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,101.52 : 103,526.52 = 47,996.97 : x
  2. Step 2: Convert to fraction form
    69,101.52/103,526.52 = 47,996.97/x
  3. Step 3: Cross multiply
    69,101.52x = 103,526.52 × 47,996.97
  4. Step 4: Simplify right side
    69,101.52x = 4,968,959,274.64
  5. Step 5: Solve for x
    x = 4,968,959,274.64/69,101.52
  6. Step 6: Final answer
    x = 71,908.10

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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.