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Finding the Fourth Proportional to 195,008.80, 292,513.20 and 84,200.80

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Solution

The fourth proportional to 195,008.80, 292,513.20 and 84,200.80 is: 126,301.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,008.80 : 292,513.20 = 84,200.80 : x
  2. Step 2: Convert to fraction form
    195,008.80/292,513.20 = 84,200.80/x
  3. Step 3: Cross multiply
    195,008.80x = 292,513.20 × 84,200.80
  4. Step 4: Simplify right side
    195,008.80x = 24,629,845,450.56
  5. Step 5: Solve for x
    x = 24,629,845,450.56/195,008.80
  6. Step 6: Final answer
    x = 126,301.20

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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.