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Finding the Fourth Proportional to 181,284.17, 250,212.17 and 100,739.39

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Solution

The fourth proportional to 181,284.17, 250,212.17 and 100,739.39 is: 139,042.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,284.17 : 250,212.17 = 100,739.39 : x
  2. Step 2: Convert to fraction form
    181,284.17/250,212.17 = 100,739.39/x
  3. Step 3: Cross multiply
    181,284.17x = 250,212.17 × 100,739.39
  4. Step 4: Simplify right side
    181,284.17x = 25,206,219,621.62
  5. Step 5: Solve for x
    x = 25,206,219,621.62/181,284.17
  6. Step 6: Final answer
    x = 139,042.59

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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.