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Finding the Fourth Proportional to 73,121.00, 109,681.52 and 26,373.87

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Solution

The fourth proportional to 73,121.00, 109,681.52 and 26,373.87 is: 39,560.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,121.00 : 109,681.52 = 26,373.87 : x
  2. Step 2: Convert to fraction form
    73,121.00/109,681.52 = 26,373.87/x
  3. Step 3: Cross multiply
    73,121.00x = 109,681.52 × 26,373.87
  4. Step 4: Simplify right side
    73,121.00x = 2,892,726,018.01
  5. Step 5: Solve for x
    x = 2,892,726,018.01/73,121.00
  6. Step 6: Final answer
    x = 39,560.81

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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.