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Finding the Fourth Proportional to 104,611.00, 156,905.15 and 61,920.76

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Solution

The fourth proportional to 104,611.00, 156,905.15 and 61,920.76 is: 92,874.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,611.00 : 156,905.15 = 61,920.76 : x
  2. Step 2: Convert to fraction form
    104,611.00/156,905.15 = 61,920.76/x
  3. Step 3: Cross multiply
    104,611.00x = 156,905.15 × 61,920.76
  4. Step 4: Simplify right side
    104,611.00x = 9,715,685,351.39
  5. Step 5: Solve for x
    x = 9,715,685,351.39/104,611.00
  6. Step 6: Final answer
    x = 92,874.42

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1.5x scale

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.