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Finding the Fourth Proportional to 207,526.62, 311,027.67 and 111,224.51

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Solution

The fourth proportional to 207,526.62, 311,027.67 and 111,224.51 is: 166,696.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,526.62 : 311,027.67 = 111,224.51 : x
  2. Step 2: Convert to fraction form
    207,526.62/311,027.67 = 111,224.51/x
  3. Step 3: Cross multiply
    207,526.62x = 311,027.67 × 111,224.51
  4. Step 4: Simplify right side
    207,526.62x = 34,593,898,637.05
  5. Step 5: Solve for x
    x = 34,593,898,637.05/207,526.62
  6. Step 6: Final answer
    x = 166,696.20

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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.