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Finding the Fourth Proportional to 134,843.10, 202,410.45 and 75,794.10

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Solution

The fourth proportional to 134,843.10, 202,410.45 and 75,794.10 is: 113,773.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,843.10 : 202,410.45 = 75,794.10 : x
  2. Step 2: Convert to fraction form
    134,843.10/202,410.45 = 75,794.10/x
  3. Step 3: Cross multiply
    134,843.10x = 202,410.45 × 75,794.10
  4. Step 4: Simplify right side
    134,843.10x = 15,341,517,888.35
  5. Step 5: Solve for x
    x = 15,341,517,888.35/134,843.10
  6. Step 6: Final answer
    x = 113,773.10

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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.