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Finding the Fourth Proportional to 107,274.38, 160,800.84 and 69,907.46

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Solution

The fourth proportional to 107,274.38, 160,800.84 and 69,907.46 is: 104,789.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,274.38 : 160,800.84 = 69,907.46 : x
  2. Step 2: Convert to fraction form
    107,274.38/160,800.84 = 69,907.46/x
  3. Step 3: Cross multiply
    107,274.38x = 160,800.84 × 69,907.46
  4. Step 4: Simplify right side
    107,274.38x = 11,241,178,692.27
  5. Step 5: Solve for x
    x = 11,241,178,692.27/107,274.38
  6. Step 6: Final answer
    x = 104,789.03

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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.