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Finding the Fourth Proportional to 219,998.94, 329,905.35 and 93,634.08

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Solution

The fourth proportional to 219,998.94, 329,905.35 and 93,634.08 is: 140,411.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,998.94 : 329,905.35 = 93,634.08 : x
  2. Step 2: Convert to fraction form
    219,998.94/329,905.35 = 93,634.08/x
  3. Step 3: Cross multiply
    219,998.94x = 329,905.35 × 93,634.08
  4. Step 4: Simplify right side
    219,998.94x = 30,890,383,934.33
  5. Step 5: Solve for x
    x = 30,890,383,934.33/219,998.94
  6. Step 6: Final answer
    x = 140,411.51

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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.