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Finding the Fourth Proportional to 137,692.20, 206,616.06 and 58,798.20

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Solution

The fourth proportional to 137,692.20, 206,616.06 and 58,798.20 is: 88,230.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,692.20 : 206,616.06 = 58,798.20 : x
  2. Step 2: Convert to fraction form
    137,692.20/206,616.06 = 58,798.20/x
  3. Step 3: Cross multiply
    137,692.20x = 206,616.06 × 58,798.20
  4. Step 4: Simplify right side
    137,692.20x = 12,148,652,419.09
  5. Step 5: Solve for x
    x = 12,148,652,419.09/137,692.20
  6. Step 6: Final answer
    x = 88,230.51

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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.