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Finding the Fourth Proportional to 96,561.80, 144,857.10 and 34,227.40

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Solution

The fourth proportional to 96,561.80, 144,857.10 and 34,227.40 is: 51,346.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,561.80 : 144,857.10 = 34,227.40 : x
  2. Step 2: Convert to fraction form
    96,561.80/144,857.10 = 34,227.40/x
  3. Step 3: Cross multiply
    96,561.80x = 144,857.10 × 34,227.40
  4. Step 4: Simplify right side
    96,561.80x = 4,958,081,904.54
  5. Step 5: Solve for x
    x = 4,958,081,904.54/96,561.80
  6. Step 6: Final answer
    x = 51,346.20

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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.