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Finding the Fourth Proportional to 118,076.67, 177,153.89 and 47,937.15

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Solution

The fourth proportional to 118,076.67, 177,153.89 and 47,937.15 is: 71,921.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,076.67 : 177,153.89 = 47,937.15 : x
  2. Step 2: Convert to fraction form
    118,076.67/177,153.89 = 47,937.15/x
  3. Step 3: Cross multiply
    118,076.67x = 177,153.89 × 47,937.15
  4. Step 4: Simplify right side
    118,076.67x = 8,492,252,358.33
  5. Step 5: Solve for x
    x = 8,492,252,358.33/118,076.67
  6. Step 6: Final answer
    x = 71,921.51

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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.