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Finding the Fourth Proportional to 97,959.16, 135,183.60 and 53,247.16

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Solution

The fourth proportional to 97,959.16, 135,183.60 and 53,247.16 is: 73,481.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,959.16 : 135,183.60 = 53,247.16 : x
  2. Step 2: Convert to fraction form
    97,959.16/135,183.60 = 53,247.16/x
  3. Step 3: Cross multiply
    97,959.16x = 135,183.60 × 53,247.16
  4. Step 4: Simplify right side
    97,959.16x = 7,198,142,778.58
  5. Step 5: Solve for x
    x = 7,198,142,778.58/97,959.16
  6. Step 6: Final answer
    x = 73,481.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.