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Finding the Fourth Proportional to 241,015.96, 361,690.86 and 83,245.72

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Solution

The fourth proportional to 241,015.96, 361,690.86 and 83,245.72 is: 124,926.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,015.96 : 361,690.86 = 83,245.72 : x
  2. Step 2: Convert to fraction form
    241,015.96/361,690.86 = 83,245.72/x
  3. Step 3: Cross multiply
    241,015.96x = 361,690.86 × 83,245.72
  4. Step 4: Simplify right side
    241,015.96x = 30,109,216,058.12
  5. Step 5: Solve for x
    x = 30,109,216,058.12/241,015.96
  6. Step 6: Final answer
    x = 124,926.23

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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.