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Finding the Fourth Proportional to 220,153.92, 303,812.16 and 119,551.92

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Solution

The fourth proportional to 220,153.92, 303,812.16 and 119,551.92 is: 164,981.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,153.92 : 303,812.16 = 119,551.92 : x
  2. Step 2: Convert to fraction form
    220,153.92/303,812.16 = 119,551.92/x
  3. Step 3: Cross multiply
    220,153.92x = 303,812.16 × 119,551.92
  4. Step 4: Simplify right side
    220,153.92x = 36,321,327,047.35
  5. Step 5: Solve for x
    x = 36,321,327,047.35/220,153.92
  6. Step 6: Final answer
    x = 164,981.51

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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.