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Finding the Fourth Proportional to 156,793.70, 235,190.55 and 73,849.70

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Solution

The fourth proportional to 156,793.70, 235,190.55 and 73,849.70 is: 110,774.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,793.70 : 235,190.55 = 73,849.70 : x
  2. Step 2: Convert to fraction form
    156,793.70/235,190.55 = 73,849.70/x
  3. Step 3: Cross multiply
    156,793.70x = 235,190.55 × 73,849.70
  4. Step 4: Simplify right side
    156,793.70x = 17,368,751,560.34
  5. Step 5: Solve for x
    x = 17,368,751,560.34/156,793.70
  6. Step 6: Final answer
    x = 110,774.55

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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.