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Finding the Fourth Proportional to 150,550.81, 225,629.35 and 61,700.29

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Solution

The fourth proportional to 150,550.81, 225,629.35 and 61,700.29 is: 92,469.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,550.81 : 225,629.35 = 61,700.29 : x
  2. Step 2: Convert to fraction form
    150,550.81/225,629.35 = 61,700.29/x
  3. Step 3: Cross multiply
    150,550.81x = 225,629.35 × 61,700.29
  4. Step 4: Simplify right side
    150,550.81x = 13,921,396,327.51
  5. Step 5: Solve for x
    x = 13,921,396,327.51/150,550.81
  6. Step 6: Final answer
    x = 92,469.75

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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.