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Finding the Fourth Proportional to 536,969.59, 805,439.90 and 132,165.41

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Solution

The fourth proportional to 536,969.59, 805,439.90 and 132,165.41 is: 198,244.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,969.59 : 805,439.90 = 132,165.41 : x
  2. Step 2: Convert to fraction form
    536,969.59/805,439.90 = 132,165.41/x
  3. Step 3: Cross multiply
    536,969.59x = 805,439.90 × 132,165.41
  4. Step 4: Simplify right side
    536,969.59x = 106,451,290,917.07
  5. Step 5: Solve for x
    x = 106,451,290,917.07/536,969.59
  6. Step 6: Final answer
    x = 198,244.54

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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.