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Finding the Fourth Proportional to 308,537.86, 462,856.07 and 95,255.62

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Solution

The fourth proportional to 308,537.86, 462,856.07 and 95,255.62 is: 142,898.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,537.86 : 462,856.07 = 95,255.62 : x
  2. Step 2: Convert to fraction form
    308,537.86/462,856.07 = 95,255.62/x
  3. Step 3: Cross multiply
    308,537.86x = 462,856.07 × 95,255.62
  4. Step 4: Simplify right side
    308,537.86x = 44,089,641,918.61
  5. Step 5: Solve for x
    x = 44,089,641,918.61/308,537.86
  6. Step 6: Final answer
    x = 142,898.64

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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.