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Finding the Fourth Proportional to 251,298.27, 346,794.29 and 136,576.91

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Solution

The fourth proportional to 251,298.27, 346,794.29 and 136,576.91 is: 188,477.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,298.27 : 346,794.29 = 136,576.91 : x
  2. Step 2: Convert to fraction form
    251,298.27/346,794.29 = 136,576.91/x
  3. Step 3: Cross multiply
    251,298.27x = 346,794.29 × 136,576.91
  4. Step 4: Simplify right side
    251,298.27x = 47,364,091,850.96
  5. Step 5: Solve for x
    x = 47,364,091,850.96/251,298.27
  6. Step 6: Final answer
    x = 188,477.59

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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.