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Finding the Fourth Proportional to 104,703.54, 156,961.62 and 38,096.70

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Solution

The fourth proportional to 104,703.54, 156,961.62 and 38,096.70 is: 57,110.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,703.54 : 156,961.62 = 38,096.70 : x
  2. Step 2: Convert to fraction form
    104,703.54/156,961.62 = 38,096.70/x
  3. Step 3: Cross multiply
    104,703.54x = 156,961.62 × 38,096.70
  4. Step 4: Simplify right side
    104,703.54x = 5,979,719,748.65
  5. Step 5: Solve for x
    x = 5,979,719,748.65/104,703.54
  6. Step 6: Final answer
    x = 57,110.96

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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.