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Finding the Fourth Proportional to 161,231.28, 241,846.59 and 42,902.64

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Solution

The fourth proportional to 161,231.28, 241,846.59 and 42,902.64 is: 64,353.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,231.28 : 241,846.59 = 42,902.64 : x
  2. Step 2: Convert to fraction form
    161,231.28/241,846.59 = 42,902.64/x
  3. Step 3: Cross multiply
    161,231.28x = 241,846.59 × 42,902.64
  4. Step 4: Simplify right side
    161,231.28x = 10,375,857,186.00
  5. Step 5: Solve for x
    x = 10,375,857,186.00/161,231.28
  6. Step 6: Final answer
    x = 64,353.87

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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.