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Finding the Fourth Proportional to 73,330.90, 101,196.52 and 39,796.90

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Solution

The fourth proportional to 73,330.90, 101,196.52 and 39,796.90 is: 54,919.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,330.90 : 101,196.52 = 39,796.90 : x
  2. Step 2: Convert to fraction form
    73,330.90/101,196.52 = 39,796.90/x
  3. Step 3: Cross multiply
    73,330.90x = 101,196.52 × 39,796.90
  4. Step 4: Simplify right side
    73,330.90x = 4,027,307,786.79
  5. Step 5: Solve for x
    x = 4,027,307,786.79/73,330.90
  6. Step 6: Final answer
    x = 54,919.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.