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Finding the Fourth Proportional to 222,759.40, 334,139.10 and 116,471.20

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Solution

The fourth proportional to 222,759.40, 334,139.10 and 116,471.20 is: 174,706.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,759.40 : 334,139.10 = 116,471.20 : x
  2. Step 2: Convert to fraction form
    222,759.40/334,139.10 = 116,471.20/x
  3. Step 3: Cross multiply
    222,759.40x = 334,139.10 × 116,471.20
  4. Step 4: Simplify right side
    222,759.40x = 38,917,581,943.92
  5. Step 5: Solve for x
    x = 38,917,581,943.92/222,759.40
  6. Step 6: Final answer
    x = 174,706.80

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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.