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Finding the Fourth Proportional to 84,169.83, 116,018.02 and 73,240.00

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Solution

The fourth proportional to 84,169.83, 116,018.02 and 73,240.00 is: 100,952.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,169.83 : 116,018.02 = 73,240.00 : x
  2. Step 2: Convert to fraction form
    84,169.83/116,018.02 = 73,240.00/x
  3. Step 3: Cross multiply
    84,169.83x = 116,018.02 × 73,240.00
  4. Step 4: Simplify right side
    84,169.83x = 8,497,159,586.30
  5. Step 5: Solve for x
    x = 8,497,159,586.30/84,169.83
  6. Step 6: Final answer
    x = 100,952.55

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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.