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Finding the Fourth Proportional to 251,296.79, 346,792.25 and 136,575.44

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Solution

The fourth proportional to 251,296.79, 346,792.25 and 136,575.44 is: 188,475.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,296.79 : 346,792.25 = 136,575.44 : x
  2. Step 2: Convert to fraction form
    251,296.79/346,792.25 = 136,575.44/x
  3. Step 3: Cross multiply
    251,296.79x = 346,792.25 × 136,575.44
  4. Step 4: Simplify right side
    251,296.79x = 47,363,305,990.99
  5. Step 5: Solve for x
    x = 47,363,305,990.99/251,296.79
  6. Step 6: Final answer
    x = 188,475.57

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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.