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Finding the Fourth Proportional to 181,201.44, 250,061.37 and 100,636.51

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Solution

The fourth proportional to 181,201.44, 250,061.37 and 100,636.51 is: 138,880.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,201.44 : 250,061.37 = 100,636.51 : x
  2. Step 2: Convert to fraction form
    181,201.44/250,061.37 = 100,636.51/x
  3. Step 3: Cross multiply
    181,201.44x = 250,061.37 × 100,636.51
  4. Step 4: Simplify right side
    181,201.44x = 25,165,302,436.20
  5. Step 5: Solve for x
    x = 25,165,302,436.20/181,201.44
  6. Step 6: Final answer
    x = 138,880.26

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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.