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Finding the Fourth Proportional to 217,213.60, 300,003.60 and 173,045.92

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Solution

The fourth proportional to 217,213.60, 300,003.60 and 173,045.92 is: 239,001.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,213.60 : 300,003.60 = 173,045.92 : x
  2. Step 2: Convert to fraction form
    217,213.60/300,003.60 = 173,045.92/x
  3. Step 3: Cross multiply
    217,213.60x = 300,003.60 × 173,045.92
  4. Step 4: Simplify right side
    217,213.60x = 51,914,398,965.31
  5. Step 5: Solve for x
    x = 51,914,398,965.31/217,213.60
  6. Step 6: Final answer
    x = 239,001.60

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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.