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Finding the Fourth Proportional to 235,008.72, 352,524.60 and 75,102.48

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Solution

The fourth proportional to 235,008.72, 352,524.60 and 75,102.48 is: 112,657.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,008.72 : 352,524.60 = 75,102.48 : x
  2. Step 2: Convert to fraction form
    235,008.72/352,524.60 = 75,102.48/x
  3. Step 3: Cross multiply
    235,008.72x = 352,524.60 × 75,102.48
  4. Step 4: Simplify right side
    235,008.72x = 26,475,471,721.01
  5. Step 5: Solve for x
    x = 26,475,471,721.01/235,008.72
  6. Step 6: Final answer
    x = 112,657.40

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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.