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Finding the Fourth Proportional to 253,111.52, 349,297.62 and 171,464.74

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Solution

The fourth proportional to 253,111.52, 349,297.62 and 171,464.74 is: 236,623.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,111.52 : 349,297.62 = 171,464.74 : x
  2. Step 2: Convert to fraction form
    253,111.52/349,297.62 = 171,464.74/x
  3. Step 3: Cross multiply
    253,111.52x = 349,297.62 × 171,464.74
  4. Step 4: Simplify right side
    253,111.52x = 59,892,226,508.82
  5. Step 5: Solve for x
    x = 59,892,226,508.82/253,111.52
  6. Step 6: Final answer
    x = 236,623.87

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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.