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Finding the Fourth Proportional to 223,188.82, 334,782.32 and 81,033.82

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Solution

The fourth proportional to 223,188.82, 334,782.32 and 81,033.82 is: 121,550.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,188.82 : 334,782.32 = 81,033.82 : x
  2. Step 2: Convert to fraction form
    223,188.82/334,782.32 = 81,033.82/x
  3. Step 3: Cross multiply
    223,188.82x = 334,782.32 × 81,033.82
  4. Step 4: Simplify right side
    223,188.82x = 27,128,689,015.94
  5. Step 5: Solve for x
    x = 27,128,689,015.94/223,188.82
  6. Step 6: Final answer
    x = 121,550.40

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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.