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Finding the Fourth Proportional to 118,183.86, 177,243.58 and 39,287.83

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Solution

The fourth proportional to 118,183.86, 177,243.58 and 39,287.83 is: 58,921.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,183.86 : 177,243.58 = 39,287.83 : x
  2. Step 2: Convert to fraction form
    118,183.86/177,243.58 = 39,287.83/x
  3. Step 3: Cross multiply
    118,183.86x = 177,243.58 × 39,287.83
  4. Step 4: Simplify right side
    118,183.86x = 6,963,515,639.63
  5. Step 5: Solve for x
    x = 6,963,515,639.63/118,183.86
  6. Step 6: Final answer
    x = 58,921.04

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1.5x scale

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.