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Finding the Fourth Proportional to 265,865.73, 366,885.75 and 158,380.08

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Solution

The fourth proportional to 265,865.73, 366,885.75 and 158,380.08 is: 218,559.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,865.73 : 366,885.75 = 158,380.08 : x
  2. Step 2: Convert to fraction form
    265,865.73/366,885.75 = 158,380.08/x
  3. Step 3: Cross multiply
    265,865.73x = 366,885.75 × 158,380.08
  4. Step 4: Simplify right side
    265,865.73x = 58,107,394,435.86
  5. Step 5: Solve for x
    x = 58,107,394,435.86/265,865.73
  6. Step 6: Final answer
    x = 218,559.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.