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Finding the Fourth Proportional to 107,755.91, 148,692.52 and 60,013.70

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Solution

The fourth proportional to 107,755.91, 148,692.52 and 60,013.70 is: 82,812.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,755.91 : 148,692.52 = 60,013.70 : x
  2. Step 2: Convert to fraction form
    107,755.91/148,692.52 = 60,013.70/x
  3. Step 3: Cross multiply
    107,755.91x = 148,692.52 × 60,013.70
  4. Step 4: Simplify right side
    107,755.91x = 8,923,588,675.49
  5. Step 5: Solve for x
    x = 8,923,588,675.49/107,755.91
  6. Step 6: Final answer
    x = 82,812.98

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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.