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Finding the Fourth Proportional to 222,078.54, 333,265.60 and 120,902.11

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Solution

The fourth proportional to 222,078.54, 333,265.60 and 120,902.11 is: 181,433.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,078.54 : 333,265.60 = 120,902.11 : x
  2. Step 2: Convert to fraction form
    222,078.54/333,265.60 = 120,902.11/x
  3. Step 3: Cross multiply
    222,078.54x = 333,265.60 × 120,902.11
  4. Step 4: Simplify right side
    222,078.54x = 40,292,513,548.38
  5. Step 5: Solve for x
    x = 40,292,513,548.38/222,078.54
  6. Step 6: Final answer
    x = 181,433.62

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1.5x scale

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.