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Finding the Fourth Proportional to 110,611.87, 165,973.18 and 50,640.23

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Solution

The fourth proportional to 110,611.87, 165,973.18 and 50,640.23 is: 75,985.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,611.87 : 165,973.18 = 50,640.23 : x
  2. Step 2: Convert to fraction form
    110,611.87/165,973.18 = 50,640.23/x
  3. Step 3: Cross multiply
    110,611.87x = 165,973.18 × 50,640.23
  4. Step 4: Simplify right side
    110,611.87x = 8,404,920,135.63
  5. Step 5: Solve for x
    x = 8,404,920,135.63/110,611.87
  6. Step 6: Final answer
    x = 75,985.70

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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.