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Finding the Fourth Proportional to 222,998.70, 334,521.80 and 65,227.98

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Solution

The fourth proportional to 222,998.70, 334,521.80 and 65,227.98 is: 97,848.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,998.70 : 334,521.80 = 65,227.98 : x
  2. Step 2: Convert to fraction form
    222,998.70/334,521.80 = 65,227.98/x
  3. Step 3: Cross multiply
    222,998.70x = 334,521.80 × 65,227.98
  4. Step 4: Simplify right side
    222,998.70x = 21,820,181,279.96
  5. Step 5: Solve for x
    x = 21,820,181,279.96/222,998.70
  6. Step 6: Final answer
    x = 97,848.92

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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.