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Finding the Fourth Proportional to 118,552.68, 177,899.22 and 43,725.42

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Solution

The fourth proportional to 118,552.68, 177,899.22 and 43,725.42 is: 65,614.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,552.68 : 177,899.22 = 43,725.42 : x
  2. Step 2: Convert to fraction form
    118,552.68/177,899.22 = 43,725.42/x
  3. Step 3: Cross multiply
    118,552.68x = 177,899.22 × 43,725.42
  4. Step 4: Simplify right side
    118,552.68x = 7,778,718,112.17
  5. Step 5: Solve for x
    x = 7,778,718,112.17/118,552.68
  6. Step 6: Final answer
    x = 65,614.02

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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.