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Finding the Fourth Proportional to 259,836.63, 358,575.62 and 140,604.63

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Solution

The fourth proportional to 259,836.63, 358,575.62 and 140,604.63 is: 194,034.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,836.63 : 358,575.62 = 140,604.63 : x
  2. Step 2: Convert to fraction form
    259,836.63/358,575.62 = 140,604.63/x
  3. Step 3: Cross multiply
    259,836.63x = 358,575.62 × 140,604.63
  4. Step 4: Simplify right side
    259,836.63x = 50,417,392,377.12
  5. Step 5: Solve for x
    x = 50,417,392,377.12/259,836.63
  6. Step 6: Final answer
    x = 194,034.97

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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.