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Finding the Fourth Proportional to 268,589.82, 370,750.36 and 159,693.89

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Solution

The fourth proportional to 268,589.82, 370,750.36 and 159,693.89 is: 220,434.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,589.82 : 370,750.36 = 159,693.89 : x
  2. Step 2: Convert to fraction form
    268,589.82/370,750.36 = 159,693.89/x
  3. Step 3: Cross multiply
    268,589.82x = 370,750.36 × 159,693.89
  4. Step 4: Simplify right side
    268,589.82x = 59,206,566,665.50
  5. Step 5: Solve for x
    x = 59,206,566,665.50/268,589.82
  6. Step 6: Final answer
    x = 220,434.89

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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.