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Finding the Fourth Proportional to 181,226.79, 250,074.65 and 105,819.03

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Solution

The fourth proportional to 181,226.79, 250,074.65 and 105,819.03 is: 146,019.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,226.79 : 250,074.65 = 105,819.03 : x
  2. Step 2: Convert to fraction form
    181,226.79/250,074.65 = 105,819.03/x
  3. Step 3: Cross multiply
    181,226.79x = 250,074.65 × 105,819.03
  4. Step 4: Simplify right side
    181,226.79x = 26,462,656,361.49
  5. Step 5: Solve for x
    x = 26,462,656,361.49/181,226.79
  6. Step 6: Final answer
    x = 146,019.56

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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.