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Finding the Fourth Proportional to 159,451.00, 220,032.48 and 87,827.02

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Solution

The fourth proportional to 159,451.00, 220,032.48 and 87,827.02 is: 121,195.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,451.00 : 220,032.48 = 87,827.02 : x
  2. Step 2: Convert to fraction form
    159,451.00/220,032.48 = 87,827.02/x
  3. Step 3: Cross multiply
    159,451.00x = 220,032.48 × 87,827.02
  4. Step 4: Simplify right side
    159,451.00x = 19,324,796,800.88
  5. Step 5: Solve for x
    x = 19,324,796,800.88/159,451.00
  6. Step 6: Final answer
    x = 121,195.84

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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.