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Finding the Fourth Proportional to 183,081.78, 252,653.49 and 102,512.82

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Solution

The fourth proportional to 183,081.78, 252,653.49 and 102,512.82 is: 141,468.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,081.78 : 252,653.49 = 102,512.82 : x
  2. Step 2: Convert to fraction form
    183,081.78/252,653.49 = 102,512.82/x
  3. Step 3: Cross multiply
    183,081.78x = 252,653.49 × 102,512.82
  4. Step 4: Simplify right side
    183,081.78x = 25,900,221,742.74
  5. Step 5: Solve for x
    x = 25,900,221,742.74/183,081.78
  6. Step 6: Final answer
    x = 141,468.05

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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.