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Finding the Fourth Proportional to 224,796.33, 310,215.32 and 122,819.60

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Solution

The fourth proportional to 224,796.33, 310,215.32 and 122,819.60 is: 169,489.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,796.33 : 310,215.32 = 122,819.60 : x
  2. Step 2: Convert to fraction form
    224,796.33/310,215.32 = 122,819.60/x
  3. Step 3: Cross multiply
    224,796.33x = 310,215.32 × 122,819.60
  4. Step 4: Simplify right side
    224,796.33x = 38,100,520,902.17
  5. Step 5: Solve for x
    x = 38,100,520,902.17/224,796.33
  6. Step 6: Final answer
    x = 169,489.07

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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.