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Finding the Fourth Proportional to 235,134.80, 352,702.20 and 231,635.60

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Solution

The fourth proportional to 235,134.80, 352,702.20 and 231,635.60 is: 347,453.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,134.80 : 352,702.20 = 231,635.60 : x
  2. Step 2: Convert to fraction form
    235,134.80/352,702.20 = 231,635.60/x
  3. Step 3: Cross multiply
    235,134.80x = 352,702.20 × 231,635.60
  4. Step 4: Simplify right side
    235,134.80x = 81,698,385,718.32
  5. Step 5: Solve for x
    x = 81,698,385,718.32/235,134.80
  6. Step 6: Final answer
    x = 347,453.40

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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.