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Finding the Fourth Proportional to 181,692.36, 250,732.95 and 101,119.87

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Solution

The fourth proportional to 181,692.36, 250,732.95 and 101,119.87 is: 139,544.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,692.36 : 250,732.95 = 101,119.87 : x
  2. Step 2: Convert to fraction form
    181,692.36/250,732.95 = 101,119.87/x
  3. Step 3: Cross multiply
    181,692.36x = 250,732.95 × 101,119.87
  4. Step 4: Simplify right side
    181,692.36x = 25,354,082,055.05
  5. Step 5: Solve for x
    x = 25,354,082,055.05/181,692.36
  6. Step 6: Final answer
    x = 139,544.02

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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.