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Finding the Fourth Proportional to 236,822.40, 355,060.80 and 96,508.80

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Solution

The fourth proportional to 236,822.40, 355,060.80 and 96,508.80 is: 144,692.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,822.40 : 355,060.80 = 96,508.80 : x
  2. Step 2: Convert to fraction form
    236,822.40/355,060.80 = 96,508.80/x
  3. Step 3: Cross multiply
    236,822.40x = 355,060.80 × 96,508.80
  4. Step 4: Simplify right side
    236,822.40x = 34,266,491,735.04
  5. Step 5: Solve for x
    x = 34,266,491,735.04/236,822.40
  6. Step 6: Final answer
    x = 144,692.78

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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.