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Finding the Fourth Proportional to 220,013.28, 303,618.30 and 119,411.28

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Solution

The fourth proportional to 220,013.28, 303,618.30 and 119,411.28 is: 164,787.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,013.28 : 303,618.30 = 119,411.28 : x
  2. Step 2: Convert to fraction form
    220,013.28/303,618.30 = 119,411.28/x
  3. Step 3: Cross multiply
    220,013.28x = 303,618.30 × 119,411.28
  4. Step 4: Simplify right side
    220,013.28x = 36,255,449,834.42
  5. Step 5: Solve for x
    x = 36,255,449,834.42/220,013.28
  6. Step 6: Final answer
    x = 164,787.55

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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.