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Finding the Fourth Proportional to 220,089.25, 303,723.17 and 119,487.25

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Solution

The fourth proportional to 220,089.25, 303,723.17 and 119,487.25 is: 164,892.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,089.25 : 303,723.17 = 119,487.25 : x
  2. Step 2: Convert to fraction form
    220,089.25/303,723.17 = 119,487.25/x
  3. Step 3: Cross multiply
    220,089.25x = 303,723.17 × 119,487.25
  4. Step 4: Simplify right side
    220,089.25x = 36,291,046,344.58
  5. Step 5: Solve for x
    x = 36,291,046,344.58/220,089.25
  6. Step 6: Final answer
    x = 164,892.41

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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.