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Finding the Fourth Proportional to 110,556.15, 165,737.03 and 66,200.55

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Solution

The fourth proportional to 110,556.15, 165,737.03 and 66,200.55 is: 99,242.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,556.15 : 165,737.03 = 66,200.55 : x
  2. Step 2: Convert to fraction form
    110,556.15/165,737.03 = 66,200.55/x
  3. Step 3: Cross multiply
    110,556.15x = 165,737.03 × 66,200.55
  4. Step 4: Simplify right side
    110,556.15x = 10,971,882,210.36
  5. Step 5: Solve for x
    x = 10,971,882,210.36/110,556.15
  6. Step 6: Final answer
    x = 99,242.62

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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.