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Finding the Fourth Proportional to 241,128.95, 361,619.55 and 166,727.21

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Solution

The fourth proportional to 241,128.95, 361,619.55 and 166,727.21 is: 250,039.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,128.95 : 361,619.55 = 166,727.21 : x
  2. Step 2: Convert to fraction form
    241,128.95/361,619.55 = 166,727.21/x
  3. Step 3: Cross multiply
    241,128.95x = 361,619.55 × 166,727.21
  4. Step 4: Simplify right side
    241,128.95x = 60,291,818,652.96
  5. Step 5: Solve for x
    x = 60,291,818,652.96/241,128.95
  6. Step 6: Final answer
    x = 250,039.73

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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.