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Finding the Fourth Proportional to 70,245.92, 105,368.76 and 32,793.44

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Solution

The fourth proportional to 70,245.92, 105,368.76 and 32,793.44 is: 49,190.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,245.92 : 105,368.76 = 32,793.44 : x
  2. Step 2: Convert to fraction form
    70,245.92/105,368.76 = 32,793.44/x
  3. Step 3: Cross multiply
    70,245.92x = 105,368.76 × 32,793.44
  4. Step 4: Simplify right side
    70,245.92x = 3,455,404,108.93
  5. Step 5: Solve for x
    x = 3,455,404,108.93/70,245.92
  6. Step 6: Final answer
    x = 49,190.10

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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.