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Finding the Fourth Proportional to 73,101.47, 100,896.69 and 47,562.78

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Solution

The fourth proportional to 73,101.47, 100,896.69 and 47,562.78 is: 65,647.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,101.47 : 100,896.69 = 47,562.78 : x
  2. Step 2: Convert to fraction form
    73,101.47/100,896.69 = 47,562.78/x
  3. Step 3: Cross multiply
    73,101.47x = 100,896.69 × 47,562.78
  4. Step 4: Simplify right side
    73,101.47x = 4,798,927,069.20
  5. Step 5: Solve for x
    x = 4,798,927,069.20/73,101.47
  6. Step 6: Final answer
    x = 65,647.48

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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.