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Finding the Fourth Proportional to 223,640.10, 335,460.15 and 144,843.30

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Solution

The fourth proportional to 223,640.10, 335,460.15 and 144,843.30 is: 217,264.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,640.10 : 335,460.15 = 144,843.30 : x
  2. Step 2: Convert to fraction form
    223,640.10/335,460.15 = 144,843.30/x
  3. Step 3: Cross multiply
    223,640.10x = 335,460.15 × 144,843.30
  4. Step 4: Simplify right side
    223,640.10x = 48,589,155,144.50
  5. Step 5: Solve for x
    x = 48,589,155,144.50/223,640.10
  6. Step 6: Final answer
    x = 217,264.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.