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Finding the Fourth Proportional to 224,215.52, 335,588.81 and 122,859

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Solution

The fourth proportional to 224,215.52, 335,588.81 and 122,859 is: 183,886.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,215.52 : 335,588.81 = 122,859 : x
  2. Step 2: Convert to fraction form
    224,215.52/335,588.81 = 122,859/x
  3. Step 3: Cross multiply
    224,215.52x = 335,588.81 × 122,859
  4. Step 4: Simplify right side
    224,215.52x = 41,230,104,993.50
  5. Step 5: Solve for x
    x = 41,230,104,993.50/224,215.52
  6. Step 6: Final answer
    x = 183,886.05

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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.