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Finding the Fourth Proportional to 118,573.67, 177,860.81 and 48,452.97

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Solution

The fourth proportional to 118,573.67, 177,860.81 and 48,452.97 is: 72,679.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,573.67 : 177,860.81 = 48,452.97 : x
  2. Step 2: Convert to fraction form
    118,573.67/177,860.81 = 48,452.97/x
  3. Step 3: Cross multiply
    118,573.67x = 177,860.81 × 48,452.97
  4. Step 4: Simplify right side
    118,573.67x = 8,617,884,248.84
  5. Step 5: Solve for x
    x = 8,617,884,248.84/118,573.67
  6. Step 6: Final answer
    x = 72,679.58

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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.