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Finding the Fourth Proportional to 223,644.28, 335,469.16 and 123,999.10

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Solution

The fourth proportional to 223,644.28, 335,469.16 and 123,999.10 is: 186,000.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,644.28 : 335,469.16 = 123,999.10 : x
  2. Step 2: Convert to fraction form
    223,644.28/335,469.16 = 123,999.10/x
  3. Step 3: Cross multiply
    223,644.28x = 335,469.16 × 123,999.10
  4. Step 4: Simplify right side
    223,644.28x = 41,597,873,917.76
  5. Step 5: Solve for x
    x = 41,597,873,917.76/223,644.28
  6. Step 6: Final answer
    x = 186,000.17

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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.