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Finding the Fourth Proportional to 181,919.17, 251,048.60 and 101,346.88

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Solution

The fourth proportional to 181,919.17, 251,048.60 and 101,346.88 is: 139,858.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,919.17 : 251,048.60 = 101,346.88 : x
  2. Step 2: Convert to fraction form
    181,919.17/251,048.60 = 101,346.88/x
  3. Step 3: Cross multiply
    181,919.17x = 251,048.60 × 101,346.88
  4. Step 4: Simplify right side
    181,919.17x = 25,442,992,338.37
  5. Step 5: Solve for x
    x = 25,442,992,338.37/181,919.17
  6. Step 6: Final answer
    x = 139,858.78

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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.