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Finding the Fourth Proportional to 159,086.01, 219,525.70 and 93,664.51

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Solution

The fourth proportional to 159,086.01, 219,525.70 and 93,664.51 is: 129,249.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,086.01 : 219,525.70 = 93,664.51 : x
  2. Step 2: Convert to fraction form
    159,086.01/219,525.70 = 93,664.51/x
  3. Step 3: Cross multiply
    159,086.01x = 219,525.70 × 93,664.51
  4. Step 4: Simplify right side
    159,086.01x = 20,561,766,259.44
  5. Step 5: Solve for x
    x = 20,561,766,259.44/159,086.01
  6. Step 6: Final answer
    x = 129,249.37

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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.