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Finding the Fourth Proportional to 181,185.99, 250,044.99 and 100,613.83

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Solution

The fourth proportional to 181,185.99, 250,044.99 and 100,613.83 is: 138,851.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,185.99 : 250,044.99 = 100,613.83 : x
  2. Step 2: Convert to fraction form
    181,185.99/250,044.99 = 100,613.83/x
  3. Step 3: Cross multiply
    181,185.99x = 250,044.99 × 100,613.83
  4. Step 4: Simplify right side
    181,185.99x = 25,157,983,582.63
  5. Step 5: Solve for x
    x = 25,157,983,582.63/181,185.99
  6. Step 6: Final answer
    x = 138,851.71

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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.