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Finding the Fourth Proportional to 251,284.44, 346,763.01 and 143,864.46

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Solution

The fourth proportional to 251,284.44, 346,763.01 and 143,864.46 is: 198,527.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,284.44 : 346,763.01 = 143,864.46 : x
  2. Step 2: Convert to fraction form
    251,284.44/346,763.01 = 143,864.46/x
  3. Step 3: Cross multiply
    251,284.44x = 346,763.01 × 143,864.46
  4. Step 4: Simplify right side
    251,284.44x = 49,886,873,181.62
  5. Step 5: Solve for x
    x = 49,886,873,181.62/251,284.44
  6. Step 6: Final answer
    x = 198,527.51

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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.