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Finding the Fourth Proportional to 301,939.65, 416,692.76 and 181,086.03

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Solution

The fourth proportional to 301,939.65, 416,692.76 and 181,086.03 is: 249,908.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,939.65 : 416,692.76 = 181,086.03 : x
  2. Step 2: Convert to fraction form
    301,939.65/416,692.76 = 181,086.03/x
  3. Step 3: Cross multiply
    301,939.65x = 416,692.76 × 181,086.03
  4. Step 4: Simplify right side
    301,939.65x = 75,457,236,732.71
  5. Step 5: Solve for x
    x = 75,457,236,732.71/301,939.65
  6. Step 6: Final answer
    x = 249,908.34

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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.