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Finding the Fourth Proportional to 222,473.52, 307,035.45 and 126,994.56

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Solution

The fourth proportional to 222,473.52, 307,035.45 and 126,994.56 is: 175,265.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,473.52 : 307,035.45 = 126,994.56 : x
  2. Step 2: Convert to fraction form
    222,473.52/307,035.45 = 126,994.56/x
  3. Step 3: Cross multiply
    222,473.52x = 307,035.45 × 126,994.56
  4. Step 4: Simplify right side
    222,473.52x = 38,991,831,877.15
  5. Step 5: Solve for x
    x = 38,991,831,877.15/222,473.52
  6. Step 6: Final answer
    x = 175,265.05

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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.