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Finding the Fourth Proportional to 220,263.76, 303,966.12 and 119,662.48

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Solution

The fourth proportional to 220,263.76, 303,966.12 and 119,662.48 is: 165,135.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,263.76 : 303,966.12 = 119,662.48 : x
  2. Step 2: Convert to fraction form
    220,263.76/303,966.12 = 119,662.48/x
  3. Step 3: Cross multiply
    220,263.76x = 303,966.12 × 119,662.48
  4. Step 4: Simplify right side
    220,263.76x = 36,373,339,755.18
  5. Step 5: Solve for x
    x = 36,373,339,755.18/220,263.76
  6. Step 6: Final answer
    x = 165,135.38

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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.