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Finding the Fourth Proportional to 106,641.58, 160,060.77 and 54,087.97

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Solution

The fourth proportional to 106,641.58, 160,060.77 and 54,087.97 is: 81,181.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,641.58 : 160,060.77 = 54,087.97 : x
  2. Step 2: Convert to fraction form
    106,641.58/160,060.77 = 54,087.97/x
  3. Step 3: Cross multiply
    106,641.58x = 160,060.77 × 54,087.97
  4. Step 4: Simplify right side
    106,641.58x = 8,657,362,125.94
  5. Step 5: Solve for x
    x = 8,657,362,125.94/106,641.58
  6. Step 6: Final answer
    x = 81,181.86

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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.