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Finding the Fourth Proportional to 118,641.92, 177,963 and 29,895.44

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Solution

The fourth proportional to 118,641.92, 177,963 and 29,895.44 is: 44,843.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,641.92 : 177,963 = 29,895.44 : x
  2. Step 2: Convert to fraction form
    118,641.92/177,963 = 29,895.44/x
  3. Step 3: Cross multiply
    118,641.92x = 177,963 × 29,895.44
  4. Step 4: Simplify right side
    118,641.92x = 5,320,282,188.72
  5. Step 5: Solve for x
    x = 5,320,282,188.72/118,641.92
  6. Step 6: Final answer
    x = 44,843.19

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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.