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Finding the Fourth Proportional to 194,611.60, 291,917.40 and 165,087.10

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Solution

The fourth proportional to 194,611.60, 291,917.40 and 165,087.10 is: 247,630.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,611.60 : 291,917.40 = 165,087.10 : x
  2. Step 2: Convert to fraction form
    194,611.60/291,917.40 = 165,087.10/x
  3. Step 3: Cross multiply
    194,611.60x = 291,917.40 × 165,087.10
  4. Step 4: Simplify right side
    194,611.60x = 48,191,797,005.54
  5. Step 5: Solve for x
    x = 48,191,797,005.54/194,611.60
  6. Step 6: Final answer
    x = 247,630.65

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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.