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Finding the Fourth Proportional to 185,794.90, 256,392.75 and 100,910.14

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Solution

The fourth proportional to 185,794.90, 256,392.75 and 100,910.14 is: 139,253.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,794.90 : 256,392.75 = 100,910.14 : x
  2. Step 2: Convert to fraction form
    185,794.90/256,392.75 = 100,910.14/x
  3. Step 3: Cross multiply
    185,794.90x = 256,392.75 × 100,910.14
  4. Step 4: Simplify right side
    185,794.90x = 25,872,628,297.49
  5. Step 5: Solve for x
    x = 25,872,628,297.49/185,794.90
  6. Step 6: Final answer
    x = 139,253.71

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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.