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Finding the Fourth Proportional to 222,885.80, 334,371.90 and 112,077.80

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Solution

The fourth proportional to 222,885.80, 334,371.90 and 112,077.80 is: 168,138.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,885.80 : 334,371.90 = 112,077.80 : x
  2. Step 2: Convert to fraction form
    222,885.80/334,371.90 = 112,077.80/x
  3. Step 3: Cross multiply
    222,885.80x = 334,371.90 × 112,077.80
  4. Step 4: Simplify right side
    222,885.80x = 37,475,666,933.82
  5. Step 5: Solve for x
    x = 37,475,666,933.82/222,885.80
  6. Step 6: Final answer
    x = 168,138.42

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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.