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Finding the Fourth Proportional to 220,119.84, 303,770.88 and 119,517.84

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Solution

The fourth proportional to 220,119.84, 303,770.88 and 119,517.84 is: 164,937.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,119.84 : 303,770.88 = 119,517.84 : x
  2. Step 2: Convert to fraction form
    220,119.84/303,770.88 = 119,517.84/x
  3. Step 3: Cross multiply
    220,119.84x = 303,770.88 × 119,517.84
  4. Step 4: Simplify right side
    220,119.84x = 36,306,039,432.50
  5. Step 5: Solve for x
    x = 36,306,039,432.50/220,119.84
  6. Step 6: Final answer
    x = 164,937.61

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1.5x scale

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.