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Finding the Fourth Proportional to 96,108.50, 132,629.20 and 53,090.95

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Solution

The fourth proportional to 96,108.50, 132,629.20 and 53,090.95 is: 73,265.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,108.50 : 132,629.20 = 53,090.95 : x
  2. Step 2: Convert to fraction form
    96,108.50/132,629.20 = 53,090.95/x
  3. Step 3: Cross multiply
    96,108.50x = 132,629.20 × 53,090.95
  4. Step 4: Simplify right side
    96,108.50x = 7,041,410,292.10
  5. Step 5: Solve for x
    x = 7,041,410,292.10/96,108.50
  6. Step 6: Final answer
    x = 73,265.22

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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.