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Finding the Fourth Proportional to 218,355.82, 327,008.85 and 124,577.26

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Solution

The fourth proportional to 218,355.82, 327,008.85 and 124,577.26 is: 186,566.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,355.82 : 327,008.85 = 124,577.26 : x
  2. Step 2: Convert to fraction form
    218,355.82/327,008.85 = 124,577.26/x
  3. Step 3: Cross multiply
    218,355.82x = 327,008.85 × 124,577.26
  4. Step 4: Simplify right side
    218,355.82x = 40,737,866,528.75
  5. Step 5: Solve for x
    x = 40,737,866,528.75/218,355.82
  6. Step 6: Final answer
    x = 186,566.43

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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.