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Finding the Fourth Proportional to 182,687.32, 251,879.09 and 139,719.52

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Solution

The fourth proportional to 182,687.32, 251,879.09 and 139,719.52 is: 192,637.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,687.32 : 251,879.09 = 139,719.52 : x
  2. Step 2: Convert to fraction form
    182,687.32/251,879.09 = 139,719.52/x
  3. Step 3: Cross multiply
    182,687.32x = 251,879.09 × 139,719.52
  4. Step 4: Simplify right side
    182,687.32x = 35,192,426,182.53
  5. Step 5: Solve for x
    x = 35,192,426,182.53/182,687.32
  6. Step 6: Final answer
    x = 192,637.48

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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.