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Finding the Fourth Proportional to 160,602.15, 221,625.05 and 92,621.96

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Solution

The fourth proportional to 160,602.15, 221,625.05 and 92,621.96 is: 127,814.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,602.15 : 221,625.05 = 92,621.96 : x
  2. Step 2: Convert to fraction form
    160,602.15/221,625.05 = 92,621.96/x
  3. Step 3: Cross multiply
    160,602.15x = 221,625.05 × 92,621.96
  4. Step 4: Simplify right side
    160,602.15x = 20,527,344,944.86
  5. Step 5: Solve for x
    x = 20,527,344,944.86/160,602.15
  6. Step 6: Final answer
    x = 127,814.88

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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.