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Finding the Fourth Proportional to 185,846.05, 256,467.86 and 100,963.18

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Solution

The fourth proportional to 185,846.05, 256,467.86 and 100,963.18 is: 139,329.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,846.05 : 256,467.86 = 100,963.18 : x
  2. Step 2: Convert to fraction form
    185,846.05/256,467.86 = 100,963.18/x
  3. Step 3: Cross multiply
    185,846.05x = 256,467.86 × 100,963.18
  4. Step 4: Simplify right side
    185,846.05x = 25,893,810,713.39
  5. Step 5: Solve for x
    x = 25,893,810,713.39/185,846.05
  6. Step 6: Final answer
    x = 139,329.36

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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.