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Finding the Fourth Proportional to 113,697.64, 170,473.54 and 47,183.68

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Solution

The fourth proportional to 113,697.64, 170,473.54 and 47,183.68 is: 70,745.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,697.64 : 170,473.54 = 47,183.68 : x
  2. Step 2: Convert to fraction form
    113,697.64/170,473.54 = 47,183.68/x
  3. Step 3: Cross multiply
    113,697.64x = 170,473.54 × 47,183.68
  4. Step 4: Simplify right side
    113,697.64x = 8,043,568,959.83
  5. Step 5: Solve for x
    x = 8,043,568,959.83/113,697.64
  6. Step 6: Final answer
    x = 70,745.26

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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.