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Finding the Fourth Proportional to 361,513.60, 542,267.67 and 108,793

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Solution

The fourth proportional to 361,513.60, 542,267.67 and 108,793 is: 163,188.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,513.60 : 542,267.67 = 108,793 : x
  2. Step 2: Convert to fraction form
    361,513.60/542,267.67 = 108,793/x
  3. Step 3: Cross multiply
    361,513.60x = 542,267.67 × 108,793
  4. Step 4: Simplify right side
    361,513.60x = 58,994,926,622.31
  5. Step 5: Solve for x
    x = 58,994,926,622.31/361,513.60
  6. Step 6: Final answer
    x = 163,188.68

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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.