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Finding the Fourth Proportional to 181,380.63, 250,286.25 and 100,795.14

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Solution

The fourth proportional to 181,380.63, 250,286.25 and 100,795.14 is: 139,086.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,380.63 : 250,286.25 = 100,795.14 : x
  2. Step 2: Convert to fraction form
    181,380.63/250,286.25 = 100,795.14/x
  3. Step 3: Cross multiply
    181,380.63x = 250,286.25 × 100,795.14
  4. Step 4: Simplify right side
    181,380.63x = 25,227,637,608.83
  5. Step 5: Solve for x
    x = 25,227,637,608.83/181,380.63
  6. Step 6: Final answer
    x = 139,086.72

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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.