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Finding the Fourth Proportional to 222,997.68, 307,737.01 and 121,023.16

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Solution

The fourth proportional to 222,997.68, 307,737.01 and 121,023.16 is: 167,012.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,997.68 : 307,737.01 = 121,023.16 : x
  2. Step 2: Convert to fraction form
    222,997.68/307,737.01 = 121,023.16/x
  3. Step 3: Cross multiply
    222,997.68x = 307,737.01 × 121,023.16
  4. Step 4: Simplify right side
    222,997.68x = 37,243,304,327.25
  5. Step 5: Solve for x
    x = 37,243,304,327.25/222,997.68
  6. Step 6: Final answer
    x = 167,012.07

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1.5x scale

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.