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Finding the Fourth Proportional to 222,114.30, 333,390.15 and 109,921.20

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Solution

The fourth proportional to 222,114.30, 333,390.15 and 109,921.20 is: 164,990.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,114.30 : 333,390.15 = 109,921.20 : x
  2. Step 2: Convert to fraction form
    222,114.30/333,390.15 = 109,921.20/x
  3. Step 3: Cross multiply
    222,114.30x = 333,390.15 × 109,921.20
  4. Step 4: Simplify right side
    222,114.30x = 36,646,645,356.18
  5. Step 5: Solve for x
    x = 36,646,645,356.18/222,114.30
  6. Step 6: Final answer
    x = 164,990.03

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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.