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Finding the Fourth Proportional to 101,609.82, 152,509.31 and 51,727.26

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Solution

The fourth proportional to 101,609.82, 152,509.31 and 51,727.26 is: 77,639.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,609.82 : 152,509.31 = 51,727.26 : x
  2. Step 2: Convert to fraction form
    101,609.82/152,509.31 = 51,727.26/x
  3. Step 3: Cross multiply
    101,609.82x = 152,509.31 × 51,727.26
  4. Step 4: Simplify right side
    101,609.82x = 7,888,888,472.15
  5. Step 5: Solve for x
    x = 7,888,888,472.15/101,609.82
  6. Step 6: Final answer
    x = 77,639.04

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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.