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Finding the Fourth Proportional to 247,308.50, 370,658.67 and 114,003.86

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Solution

The fourth proportional to 247,308.50, 370,658.67 and 114,003.86 is: 170,865.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,308.50 : 370,658.67 = 114,003.86 : x
  2. Step 2: Convert to fraction form
    247,308.50/370,658.67 = 114,003.86/x
  3. Step 3: Cross multiply
    247,308.50x = 370,658.67 × 114,003.86
  4. Step 4: Simplify right side
    247,308.50x = 42,256,519,122.47
  5. Step 5: Solve for x
    x = 42,256,519,122.47/247,308.50
  6. Step 6: Final answer
    x = 170,865.62

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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.