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Finding the Fourth Proportional to 159,466.98, 220,063.41 and 87,845.34

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Solution

The fourth proportional to 159,466.98, 220,063.41 and 87,845.34 is: 121,226.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,466.98 : 220,063.41 = 87,845.34 : x
  2. Step 2: Convert to fraction form
    159,466.98/220,063.41 = 87,845.34/x
  3. Step 3: Cross multiply
    159,466.98x = 220,063.41 × 87,845.34
  4. Step 4: Simplify right side
    159,466.98x = 19,331,545,073.01
  5. Step 5: Solve for x
    x = 19,331,545,073.01/159,466.98
  6. Step 6: Final answer
    x = 121,226.01

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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.