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Finding the Fourth Proportional to 253,398.75, 349,538.24 and 167,357.91

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Solution

The fourth proportional to 253,398.75, 349,538.24 and 167,357.91 is: 230,853.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,398.75 : 349,538.24 = 167,357.91 : x
  2. Step 2: Convert to fraction form
    253,398.75/349,538.24 = 167,357.91/x
  3. Step 3: Cross multiply
    253,398.75x = 349,538.24 × 167,357.91
  4. Step 4: Simplify right side
    253,398.75x = 58,497,988,419.10
  5. Step 5: Solve for x
    x = 58,497,988,419.10/253,398.75
  6. Step 6: Final answer
    x = 230,853.50

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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.