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Finding the Fourth Proportional to 251,297.58, 346,793.34 and 136,576.22

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Solution

The fourth proportional to 251,297.58, 346,793.34 and 136,576.22 is: 188,476.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,297.58 : 346,793.34 = 136,576.22 : x
  2. Step 2: Convert to fraction form
    251,297.58/346,793.34 = 136,576.22/x
  3. Step 3: Cross multiply
    251,297.58x = 346,793.34 × 136,576.22
  4. Step 4: Simplify right side
    251,297.58x = 47,363,722,815.49
  5. Step 5: Solve for x
    x = 47,363,722,815.49/251,297.58
  6. Step 6: Final answer
    x = 188,476.64

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1.5x scale

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.