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Finding the Fourth Proportional to 73,859.81, 110,789.89 and 29,490.17

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Solution

The fourth proportional to 73,859.81, 110,789.89 and 29,490.17 is: 44,235.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,859.81 : 110,789.89 = 29,490.17 : x
  2. Step 2: Convert to fraction form
    73,859.81/110,789.89 = 29,490.17/x
  3. Step 3: Cross multiply
    73,859.81x = 110,789.89 × 29,490.17
  4. Step 4: Simplify right side
    73,859.81x = 3,267,212,062.71
  5. Step 5: Solve for x
    x = 3,267,212,062.71/73,859.81
  6. Step 6: Final answer
    x = 44,235.32

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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.