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Finding the Fourth Proportional to 365,763.95, 548,692.66 and 141,188.61

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Solution

The fourth proportional to 365,763.95, 548,692.66 and 141,188.61 is: 211,800.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,763.95 : 548,692.66 = 141,188.61 : x
  2. Step 2: Convert to fraction form
    365,763.95/548,692.66 = 141,188.61/x
  3. Step 3: Cross multiply
    365,763.95x = 548,692.66 × 141,188.61
  4. Step 4: Simplify right side
    365,763.95x = 77,469,154,276.39
  5. Step 5: Solve for x
    x = 77,469,154,276.39/365,763.95
  6. Step 6: Final answer
    x = 211,800.95

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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.