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Finding the Fourth Proportional to 105,179.58, 157,690.08 and 54,524.10

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Solution

The fourth proportional to 105,179.58, 157,690.08 and 54,524.10 is: 81,745.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,179.58 : 157,690.08 = 54,524.10 : x
  2. Step 2: Convert to fraction form
    105,179.58/157,690.08 = 54,524.10/x
  3. Step 3: Cross multiply
    105,179.58x = 157,690.08 × 54,524.10
  4. Step 4: Simplify right side
    105,179.58x = 8,597,909,690.93
  5. Step 5: Solve for x
    x = 8,597,909,690.93/105,179.58
  6. Step 6: Final answer
    x = 81,745.05

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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.