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Finding the Fourth Proportional to 185,632.97, 256,174.38 and 100,750.10

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Solution

The fourth proportional to 185,632.97, 256,174.38 and 100,750.10 is: 139,035.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,632.97 : 256,174.38 = 100,750.10 : x
  2. Step 2: Convert to fraction form
    185,632.97/256,174.38 = 100,750.10/x
  3. Step 3: Cross multiply
    185,632.97x = 256,174.38 × 100,750.10
  4. Step 4: Simplify right side
    185,632.97x = 25,809,593,121.57
  5. Step 5: Solve for x
    x = 25,809,593,121.57/185,632.97
  6. Step 6: Final answer
    x = 139,035.61

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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.