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Finding the Fourth Proportional to 118,867.90, 164,054.52 and 73,560.48

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Solution

The fourth proportional to 118,867.90, 164,054.52 and 73,560.48 is: 101,523.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,867.90 : 164,054.52 = 73,560.48 : x
  2. Step 2: Convert to fraction form
    118,867.90/164,054.52 = 73,560.48/x
  3. Step 3: Cross multiply
    118,867.90x = 164,054.52 × 73,560.48
  4. Step 4: Simplify right side
    118,867.90x = 12,067,928,601.00
  5. Step 5: Solve for x
    x = 12,067,928,601.00/118,867.90
  6. Step 6: Final answer
    x = 101,523.86

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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.