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Finding the Fourth Proportional to 148,226.10, 222,011.10 and 121,982.10

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Solution

The fourth proportional to 148,226.10, 222,011.10 and 121,982.10 is: 182,703.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,226.10 : 222,011.10 = 121,982.10 : x
  2. Step 2: Convert to fraction form
    148,226.10/222,011.10 = 121,982.10/x
  3. Step 3: Cross multiply
    148,226.10x = 222,011.10 × 121,982.10
  4. Step 4: Simplify right side
    148,226.10x = 27,081,380,201.31
  5. Step 5: Solve for x
    x = 27,081,380,201.31/148,226.10
  6. Step 6: Final answer
    x = 182,703.18

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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.