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Finding the Fourth Proportional to 104,361.91, 156,565.55 and 34,238.59

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Solution

The fourth proportional to 104,361.91, 156,565.55 and 34,238.59 is: 51,365.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,361.91 : 156,565.55 = 34,238.59 : x
  2. Step 2: Convert to fraction form
    104,361.91/156,565.55 = 34,238.59/x
  3. Step 3: Cross multiply
    104,361.91x = 156,565.55 × 34,238.59
  4. Step 4: Simplify right side
    104,361.91x = 5,360,583,674.57
  5. Step 5: Solve for x
    x = 5,360,583,674.57/104,361.91
  6. Step 6: Final answer
    x = 51,365.33

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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.