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Finding the Fourth Proportional to 69,162.66, 103,723.47 and 29,710.56

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Solution

The fourth proportional to 69,162.66, 103,723.47 and 29,710.56 is: 44,557.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,162.66 : 103,723.47 = 29,710.56 : x
  2. Step 2: Convert to fraction form
    69,162.66/103,723.47 = 29,710.56/x
  3. Step 3: Cross multiply
    69,162.66x = 103,723.47 × 29,710.56
  4. Step 4: Simplify right side
    69,162.66x = 3,081,682,767.81
  5. Step 5: Solve for x
    x = 3,081,682,767.81/69,162.66
  6. Step 6: Final answer
    x = 44,557.03

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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.