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Finding the Fourth Proportional to 73,259.91, 101,093.85 and 40,989.06

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Solution

The fourth proportional to 73,259.91, 101,093.85 and 40,989.06 is: 56,562.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,259.91 : 101,093.85 = 40,989.06 : x
  2. Step 2: Convert to fraction form
    73,259.91/101,093.85 = 40,989.06/x
  3. Step 3: Cross multiply
    73,259.91x = 101,093.85 × 40,989.06
  4. Step 4: Simplify right side
    73,259.91x = 4,143,741,883.28
  5. Step 5: Solve for x
    x = 4,143,741,883.28/73,259.91
  6. Step 6: Final answer
    x = 56,562.20

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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.