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Finding the Fourth Proportional to 250,692.30, 375,998.10 and 73,157.70

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Solution

The fourth proportional to 250,692.30, 375,998.10 and 73,157.70 is: 109,724.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,692.30 : 375,998.10 = 73,157.70 : x
  2. Step 2: Convert to fraction form
    250,692.30/375,998.10 = 73,157.70/x
  3. Step 3: Cross multiply
    250,692.30x = 375,998.10 × 73,157.70
  4. Step 4: Simplify right side
    250,692.30x = 27,507,156,200.37
  5. Step 5: Solve for x
    x = 27,507,156,200.37/250,692.30
  6. Step 6: Final answer
    x = 109,724.77

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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.