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Finding the Fourth Proportional to 235,041.44, 352,702.25 and 85,293.42

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Solution

The fourth proportional to 235,041.44, 352,702.25 and 85,293.42 is: 127,990.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,041.44 : 352,702.25 = 85,293.42 : x
  2. Step 2: Convert to fraction form
    235,041.44/352,702.25 = 85,293.42/x
  3. Step 3: Cross multiply
    235,041.44x = 352,702.25 × 85,293.42
  4. Step 4: Simplify right side
    235,041.44x = 30,083,181,144.20
  5. Step 5: Solve for x
    x = 30,083,181,144.20/235,041.44
  6. Step 6: Final answer
    x = 127,990.97

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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.