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Finding the Fourth Proportional to 159,703.86, 220,402.26 and 92,635.86

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Solution

The fourth proportional to 159,703.86, 220,402.26 and 92,635.86 is: 127,843.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,703.86 : 220,402.26 = 92,635.86 : x
  2. Step 2: Convert to fraction form
    159,703.86/220,402.26 = 92,635.86/x
  3. Step 3: Cross multiply
    159,703.86x = 220,402.26 × 92,635.86
  4. Step 4: Simplify right side
    159,703.86x = 20,417,152,901.04
  5. Step 5: Solve for x
    x = 20,417,152,901.04/159,703.86
  6. Step 6: Final answer
    x = 127,843.83

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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.