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Finding the Fourth Proportional to 121,033.72, 181,570.08 and 50,933.08

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Solution

The fourth proportional to 121,033.72, 181,570.08 and 50,933.08 is: 76,407.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,033.72 : 181,570.08 = 50,933.08 : x
  2. Step 2: Convert to fraction form
    121,033.72/181,570.08 = 50,933.08/x
  3. Step 3: Cross multiply
    121,033.72x = 181,570.08 × 50,933.08
  4. Step 4: Simplify right side
    121,033.72x = 9,247,923,410.25
  5. Step 5: Solve for x
    x = 9,247,923,410.25/121,033.72
  6. Step 6: Final answer
    x = 76,407.83

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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.