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Finding the Fourth Proportional to 182,694.72, 251,889.30 and 139,726.92

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Solution

The fourth proportional to 182,694.72, 251,889.30 and 139,726.92 is: 192,647.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,694.72 : 251,889.30 = 139,726.92 : x
  2. Step 2: Convert to fraction form
    182,694.72/251,889.30 = 139,726.92/x
  3. Step 3: Cross multiply
    182,694.72x = 251,889.30 × 139,726.92
  4. Step 4: Simplify right side
    182,694.72x = 35,195,716,069.96
  5. Step 5: Solve for x
    x = 35,195,716,069.96/182,694.72
  6. Step 6: Final answer
    x = 192,647.69

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1.5x scale

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.