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Finding the Fourth Proportional to 235,466.85, 352,986.61 and 85,601.26

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Solution

The fourth proportional to 235,466.85, 352,986.61 and 85,601.26 is: 128,324.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,466.85 : 352,986.61 = 85,601.26 : x
  2. Step 2: Convert to fraction form
    235,466.85/352,986.61 = 85,601.26/x
  3. Step 3: Cross multiply
    235,466.85x = 352,986.61 × 85,601.26
  4. Step 4: Simplify right side
    235,466.85x = 30,216,098,579.13
  5. Step 5: Solve for x
    x = 30,216,098,579.13/235,466.85
  6. Step 6: Final answer
    x = 128,324.21

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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.