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Finding the Fourth Proportional to 159,753.85, 220,461.05 and 88,133.85

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Solution

The fourth proportional to 159,753.85, 220,461.05 and 88,133.85 is: 121,625.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,753.85 : 220,461.05 = 88,133.85 : x
  2. Step 2: Convert to fraction form
    159,753.85/220,461.05 = 88,133.85/x
  3. Step 3: Cross multiply
    159,753.85x = 220,461.05 × 88,133.85
  4. Step 4: Simplify right side
    159,753.85x = 19,430,081,331.88
  5. Step 5: Solve for x
    x = 19,430,081,331.88/159,753.85
  6. Step 6: Final answer
    x = 121,625.12

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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.