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Finding the Fourth Proportional to 251,300.27, 346,797.05 and 136,578.91

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Solution

The fourth proportional to 251,300.27, 346,797.05 and 136,578.91 is: 188,480.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,300.27 : 346,797.05 = 136,578.91 : x
  2. Step 2: Convert to fraction form
    251,300.27/346,797.05 = 136,578.91/x
  3. Step 3: Cross multiply
    251,300.27x = 346,797.05 × 136,578.91
  4. Step 4: Simplify right side
    251,300.27x = 47,365,161,530.33
  5. Step 5: Solve for x
    x = 47,365,161,530.33/251,300.27
  6. Step 6: Final answer
    x = 188,480.35

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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.