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Finding the Fourth Proportional to 185,533.71, 256,037.27 and 100,651.38

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Solution

The fourth proportional to 185,533.71, 256,037.27 and 100,651.38 is: 138,899.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,533.71 : 256,037.27 = 100,651.38 : x
  2. Step 2: Convert to fraction form
    185,533.71/256,037.27 = 100,651.38/x
  3. Step 3: Cross multiply
    185,533.71x = 256,037.27 × 100,651.38
  4. Step 4: Simplify right side
    185,533.71x = 25,770,504,053.68
  5. Step 5: Solve for x
    x = 25,770,504,053.68/185,533.71
  6. Step 6: Final answer
    x = 138,899.31

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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.