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Finding the Fourth Proportional to 203,019.60, 303,665.40 and 182,110.80

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Solution

The fourth proportional to 203,019.60, 303,665.40 and 182,110.80 is: 272,391.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,019.60 : 303,665.40 = 182,110.80 : x
  2. Step 2: Convert to fraction form
    203,019.60/303,665.40 = 182,110.80/x
  3. Step 3: Cross multiply
    203,019.60x = 303,665.40 × 182,110.80
  4. Step 4: Simplify right side
    203,019.60x = 55,300,748,926.32
  5. Step 5: Solve for x
    x = 55,300,748,926.32/203,019.60
  6. Step 6: Final answer
    x = 272,391.18

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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.