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Finding the Fourth Proportional to 223,906.08, 308,940.36 and 187,753.76

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Solution

The fourth proportional to 223,906.08, 308,940.36 and 187,753.76 is: 259,058.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,906.08 : 308,940.36 = 187,753.76 : x
  2. Step 2: Convert to fraction form
    223,906.08/308,940.36 = 187,753.76/x
  3. Step 3: Cross multiply
    223,906.08x = 308,940.36 × 187,753.76
  4. Step 4: Simplify right side
    223,906.08x = 58,004,714,171.62
  5. Step 5: Solve for x
    x = 58,004,714,171.62/223,906.08
  6. Step 6: Final answer
    x = 259,058.23

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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.