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Finding the Fourth Proportional to 181,992.47, 251,149.84 and 101,418.22

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Solution

The fourth proportional to 181,992.47, 251,149.84 and 101,418.22 is: 139,957.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,992.47 : 251,149.84 = 101,418.22 : x
  2. Step 2: Convert to fraction form
    181,992.47/251,149.84 = 101,418.22/x
  3. Step 3: Cross multiply
    181,992.47x = 251,149.84 × 101,418.22
  4. Step 4: Simplify right side
    181,992.47x = 25,471,169,726.08
  5. Step 5: Solve for x
    x = 25,471,169,726.08/181,992.47
  6. Step 6: Final answer
    x = 139,957.28

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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.