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Finding the Fourth Proportional to 144,800.22, 199,832.22 and 81,158.52

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Solution

The fourth proportional to 144,800.22, 199,832.22 and 81,158.52 is: 112,003.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,800.22 : 199,832.22 = 81,158.52 : x
  2. Step 2: Convert to fraction form
    144,800.22/199,832.22 = 81,158.52/x
  3. Step 3: Cross multiply
    144,800.22x = 199,832.22 × 81,158.52
  4. Step 4: Simplify right side
    144,800.22x = 16,218,087,223.51
  5. Step 5: Solve for x
    x = 16,218,087,223.51/144,800.22
  6. Step 6: Final answer
    x = 112,003.19

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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.