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Finding the Fourth Proportional to 223,984.91, 335,968.95 and 55,505.72

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Solution

The fourth proportional to 223,984.91, 335,968.95 and 55,505.72 is: 83,256.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,984.91 : 335,968.95 = 55,505.72 : x
  2. Step 2: Convert to fraction form
    223,984.91/335,968.95 = 55,505.72/x
  3. Step 3: Cross multiply
    223,984.91x = 335,968.95 × 55,505.72
  4. Step 4: Simplify right side
    223,984.91x = 18,648,198,467.39
  5. Step 5: Solve for x
    x = 18,648,198,467.39/223,984.91
  6. Step 6: Final answer
    x = 83,256.49

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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.