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Finding the Fourth Proportional to 96,791.76, 133,573.46 and 54,354.24

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Solution

The fourth proportional to 96,791.76, 133,573.46 and 54,354.24 is: 75,009.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,791.76 : 133,573.46 = 54,354.24 : x
  2. Step 2: Convert to fraction form
    96,791.76/133,573.46 = 54,354.24/x
  3. Step 3: Cross multiply
    96,791.76x = 133,573.46 × 54,354.24
  4. Step 4: Simplify right side
    96,791.76x = 7,260,283,630.70
  5. Step 5: Solve for x
    x = 7,260,283,630.70/96,791.76
  6. Step 6: Final answer
    x = 75,009.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.