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Finding the Fourth Proportional to 110,663.01, 152,777.88 and 73,046.61

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Solution

The fourth proportional to 110,663.01, 152,777.88 and 73,046.61 is: 100,845.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,663.01 : 152,777.88 = 73,046.61 : x
  2. Step 2: Convert to fraction form
    110,663.01/152,777.88 = 73,046.61/x
  3. Step 3: Cross multiply
    110,663.01x = 152,777.88 × 73,046.61
  4. Step 4: Simplify right side
    110,663.01x = 11,159,906,216.99
  5. Step 5: Solve for x
    x = 11,159,906,216.99/110,663.01
  6. Step 6: Final answer
    x = 100,845.86

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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.