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Finding the Fourth Proportional to 220,188.96, 303,862.32 and 119,586.96

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Solution

The fourth proportional to 220,188.96, 303,862.32 and 119,586.96 is: 165,030.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,188.96 : 303,862.32 = 119,586.96 : x
  2. Step 2: Convert to fraction form
    220,188.96/303,862.32 = 119,586.96/x
  3. Step 3: Cross multiply
    220,188.96x = 303,862.32 × 119,586.96
  4. Step 4: Simplify right side
    220,188.96x = 36,337,971,107.35
  5. Step 5: Solve for x
    x = 36,337,971,107.35/220,188.96
  6. Step 6: Final answer
    x = 165,030.85

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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.