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Finding the Fourth Proportional to 181,653.77, 272,480.67 and 55,301.28

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Solution

The fourth proportional to 181,653.77, 272,480.67 and 55,301.28 is: 82,951.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,653.77 : 272,480.67 = 55,301.28 : x
  2. Step 2: Convert to fraction form
    181,653.77/272,480.67 = 55,301.28/x
  3. Step 3: Cross multiply
    181,653.77x = 272,480.67 × 55,301.28
  4. Step 4: Simplify right side
    181,653.77x = 15,068,529,826.26
  5. Step 5: Solve for x
    x = 15,068,529,826.26/181,653.77
  6. Step 6: Final answer
    x = 82,951.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.