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Finding the Fourth Proportional to 182,689.82, 251,882.54 and 139,722.02

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Solution

The fourth proportional to 182,689.82, 251,882.54 and 139,722.02 is: 192,640.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,689.82 : 251,882.54 = 139,722.02 : x
  2. Step 2: Convert to fraction form
    182,689.82/251,882.54 = 139,722.02/x
  3. Step 3: Cross multiply
    182,689.82x = 251,882.54 × 139,722.02
  4. Step 4: Simplify right side
    182,689.82x = 35,193,537,291.53
  5. Step 5: Solve for x
    x = 35,193,537,291.53/182,689.82
  6. Step 6: Final answer
    x = 192,640.93

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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.