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Finding the Fourth Proportional to 348,191.82, 522,252.90 and 111,470.94

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Solution

The fourth proportional to 348,191.82, 522,252.90 and 111,470.94 is: 167,195.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,191.82 : 522,252.90 = 111,470.94 : x
  2. Step 2: Convert to fraction form
    348,191.82/522,252.90 = 111,470.94/x
  3. Step 3: Cross multiply
    348,191.82x = 522,252.90 × 111,470.94
  4. Step 4: Simplify right side
    348,191.82x = 58,216,021,680.73
  5. Step 5: Solve for x
    x = 58,216,021,680.73/348,191.82
  6. Step 6: Final answer
    x = 167,195.26

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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.