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Finding the Fourth Proportional to 118,542.48, 177,843.48 and 83,550.48

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Solution

The fourth proportional to 118,542.48, 177,843.48 and 83,550.48 is: 125,346.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,542.48 : 177,843.48 = 83,550.48 : x
  2. Step 2: Convert to fraction form
    118,542.48/177,843.48 = 83,550.48/x
  3. Step 3: Cross multiply
    118,542.48x = 177,843.48 × 83,550.48
  4. Step 4: Simplify right side
    118,542.48x = 14,858,908,118.87
  5. Step 5: Solve for x
    x = 14,858,908,118.87/118,542.48
  6. Step 6: Final answer
    x = 125,346.70

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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.