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Finding the Fourth Proportional to 181,992.53, 251,146.28 and 101,418.28

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Solution

The fourth proportional to 181,992.53, 251,146.28 and 101,418.28 is: 139,955.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,992.53 : 251,146.28 = 101,418.28 : x
  2. Step 2: Convert to fraction form
    181,992.53/251,146.28 = 101,418.28/x
  3. Step 3: Cross multiply
    181,992.53x = 251,146.28 × 101,418.28
  4. Step 4: Simplify right side
    181,992.53x = 25,470,823,746.00
  5. Step 5: Solve for x
    x = 25,470,823,746.00/181,992.53
  6. Step 6: Final answer
    x = 139,955.33

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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.