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Finding the Fourth Proportional to 110,400.10, 165,600.15 and 110,400.10

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Solution

The fourth proportional to 110,400.10, 165,600.15 and 110,400.10 is: 165,600.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,400.10 : 165,600.15 = 110,400.10 : x
  2. Step 2: Convert to fraction form
    110,400.10/165,600.15 = 110,400.10/x
  3. Step 3: Cross multiply
    110,400.10x = 165,600.15 × 110,400.10
  4. Step 4: Simplify right side
    110,400.10x = 18,282,273,120.02
  5. Step 5: Solve for x
    x = 18,282,273,120.02/110,400.10
  6. Step 6: Final answer
    x = 165,600.15

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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.