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Finding the Fourth Proportional to 159,505.16, 238,832.22 and 126,293

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Solution

The fourth proportional to 159,505.16, 238,832.22 and 126,293 is: 189,102.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,505.16 : 238,832.22 = 126,293 : x
  2. Step 2: Convert to fraction form
    159,505.16/238,832.22 = 126,293/x
  3. Step 3: Cross multiply
    159,505.16x = 238,832.22 × 126,293
  4. Step 4: Simplify right side
    159,505.16x = 30,162,837,560.46
  5. Step 5: Solve for x
    x = 30,162,837,560.46/159,505.16
  6. Step 6: Final answer
    x = 189,102.58

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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.