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Finding the Fourth Proportional to 96,808.36, 145,179.80 and 36,822.60

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Solution

The fourth proportional to 96,808.36, 145,179.80 and 36,822.60 is: 55,221.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,808.36 : 145,179.80 = 36,822.60 : x
  2. Step 2: Convert to fraction form
    96,808.36/145,179.80 = 36,822.60/x
  3. Step 3: Cross multiply
    96,808.36x = 145,179.80 × 36,822.60
  4. Step 4: Simplify right side
    96,808.36x = 5,345,897,703.48
  5. Step 5: Solve for x
    x = 5,345,897,703.48/96,808.36
  6. Step 6: Final answer
    x = 55,221.45

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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.