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Finding the Fourth Proportional to 361,006.88, 541,539.47 and 111,688.88

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Solution

The fourth proportional to 361,006.88, 541,539.47 and 111,688.88 is: 167,542.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,006.88 : 541,539.47 = 111,688.88 : x
  2. Step 2: Convert to fraction form
    361,006.88/541,539.47 = 111,688.88/x
  3. Step 3: Cross multiply
    361,006.88x = 541,539.47 × 111,688.88
  4. Step 4: Simplify right side
    361,006.88x = 60,483,934,451.62
  5. Step 5: Solve for x
    x = 60,483,934,451.62/361,006.88
  6. Step 6: Final answer
    x = 167,542.33

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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.