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Finding the Fourth Proportional to 253,149.48, 349,181.69 and 162,361.65

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Solution

The fourth proportional to 253,149.48, 349,181.69 and 162,361.65 is: 223,953.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,149.48 : 349,181.69 = 162,361.65 : x
  2. Step 2: Convert to fraction form
    253,149.48/349,181.69 = 162,361.65/x
  3. Step 3: Cross multiply
    253,149.48x = 349,181.69 × 162,361.65
  4. Step 4: Simplify right side
    253,149.48x = 56,693,715,338.19
  5. Step 5: Solve for x
    x = 56,693,715,338.19/253,149.48
  6. Step 6: Final answer
    x = 223,953.51

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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.