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Finding the Fourth Proportional to 253,626.04, 349,991.28 and 146,189.56

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Solution

The fourth proportional to 253,626.04, 349,991.28 and 146,189.56 is: 201,734.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,626.04 : 349,991.28 = 146,189.56 : x
  2. Step 2: Convert to fraction form
    253,626.04/349,991.28 = 146,189.56/x
  3. Step 3: Cross multiply
    253,626.04x = 349,991.28 × 146,189.56
  4. Step 4: Simplify right side
    253,626.04x = 51,165,071,227.04
  5. Step 5: Solve for x
    x = 51,165,071,227.04/253,626.04
  6. Step 6: Final answer
    x = 201,734.30

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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.