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Finding the Fourth Proportional to 73,571.88, 110,341.40 and 34,123.88

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Solution

The fourth proportional to 73,571.88, 110,341.40 and 34,123.88 is: 51,178.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,571.88 : 110,341.40 = 34,123.88 : x
  2. Step 2: Convert to fraction form
    73,571.88/110,341.40 = 34,123.88/x
  3. Step 3: Cross multiply
    73,571.88x = 110,341.40 × 34,123.88
  4. Step 4: Simplify right side
    73,571.88x = 3,765,276,692.63
  5. Step 5: Solve for x
    x = 3,765,276,692.63/73,571.88
  6. Step 6: Final answer
    x = 51,178.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.