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Finding the Fourth Proportional to 161,901.17, 242,704.73 and 56,662.73

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Solution

The fourth proportional to 161,901.17, 242,704.73 and 56,662.73 is: 84,942.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,901.17 : 242,704.73 = 56,662.73 : x
  2. Step 2: Convert to fraction form
    161,901.17/242,704.73 = 56,662.73/x
  3. Step 3: Cross multiply
    161,901.17x = 242,704.73 × 56,662.73
  4. Step 4: Simplify right side
    161,901.17x = 13,752,311,908.12
  5. Step 5: Solve for x
    x = 13,752,311,908.12/161,901.17
  6. Step 6: Final answer
    x = 84,942.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.