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Finding the Fourth Proportional to 247,275.37, 370,908.99 and 78,793.42

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Solution

The fourth proportional to 247,275.37, 370,908.99 and 78,793.42 is: 118,188.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,275.37 : 370,908.99 = 78,793.42 : x
  2. Step 2: Convert to fraction form
    247,275.37/370,908.99 = 78,793.42/x
  3. Step 3: Cross multiply
    247,275.37x = 370,908.99 × 78,793.42
  4. Step 4: Simplify right side
    247,275.37x = 29,225,187,830.85
  5. Step 5: Solve for x
    x = 29,225,187,830.85/247,275.37
  6. Step 6: Final answer
    x = 118,188.83

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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.