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Finding the Fourth Proportional to 96,192.78, 132,743.49 and 53,751.66

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Solution

The fourth proportional to 96,192.78, 132,743.49 and 53,751.66 is: 74,175.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,192.78 : 132,743.49 = 53,751.66 : x
  2. Step 2: Convert to fraction form
    96,192.78/132,743.49 = 53,751.66/x
  3. Step 3: Cross multiply
    96,192.78x = 132,743.49 × 53,751.66
  4. Step 4: Simplify right side
    96,192.78x = 7,135,182,941.69
  5. Step 5: Solve for x
    x = 7,135,182,941.69/96,192.78
  6. Step 6: Final answer
    x = 74,175.87

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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.