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Finding the Fourth Proportional to 356,677.87, 534,861.27 and 134,906.35

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Solution

The fourth proportional to 356,677.87, 534,861.27 and 134,906.35 is: 202,300.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,677.87 : 534,861.27 = 134,906.35 : x
  2. Step 2: Convert to fraction form
    356,677.87/534,861.27 = 134,906.35/x
  3. Step 3: Cross multiply
    356,677.87x = 534,861.27 × 134,906.35
  4. Step 4: Simplify right side
    356,677.87x = 72,156,181,692.06
  5. Step 5: Solve for x
    x = 72,156,181,692.06/356,677.87
  6. Step 6: Final answer
    x = 202,300.70

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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.