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Finding the Fourth Proportional to 550,145.64, 825,129.88 and 150,692.98

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Solution

The fourth proportional to 550,145.64, 825,129.88 and 150,692.98 is: 226,015.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,145.64 : 825,129.88 = 150,692.98 : x
  2. Step 2: Convert to fraction form
    550,145.64/825,129.88 = 150,692.98/x
  3. Step 3: Cross multiply
    550,145.64x = 825,129.88 × 150,692.98
  4. Step 4: Simplify right side
    550,145.64x = 124,341,280,504.24
  5. Step 5: Solve for x
    x = 124,341,280,504.24/550,145.64
  6. Step 6: Final answer
    x = 226,015.21

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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.