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Finding the Fourth Proportional to 197,221.16, 295,878.30 and 64,101.80

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Solution

The fourth proportional to 197,221.16, 295,878.30 and 64,101.80 is: 96,167.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,221.16 : 295,878.30 = 64,101.80 : x
  2. Step 2: Convert to fraction form
    197,221.16/295,878.30 = 64,101.80/x
  3. Step 3: Cross multiply
    197,221.16x = 295,878.30 × 64,101.80
  4. Step 4: Simplify right side
    197,221.16x = 18,966,331,610.94
  5. Step 5: Solve for x
    x = 18,966,331,610.94/197,221.16
  6. Step 6: Final answer
    x = 96,167.83

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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.