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Finding the Fourth Proportional to 73,698.03, 101,600.30 and 62,321.90

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Solution

The fourth proportional to 73,698.03, 101,600.30 and 62,321.90 is: 85,917.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,698.03 : 101,600.30 = 62,321.90 : x
  2. Step 2: Convert to fraction form
    73,698.03/101,600.30 = 62,321.90/x
  3. Step 3: Cross multiply
    73,698.03x = 101,600.30 × 62,321.90
  4. Step 4: Simplify right side
    73,698.03x = 6,331,923,384.37
  5. Step 5: Solve for x
    x = 6,331,923,384.37/73,698.03
  6. Step 6: Final answer
    x = 85,917.13

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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.