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Finding the Fourth Proportional to 161,558.82, 242,334.79 and 43,230.17

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Solution

The fourth proportional to 161,558.82, 242,334.79 and 43,230.17 is: 64,844.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,558.82 : 242,334.79 = 43,230.17 : x
  2. Step 2: Convert to fraction form
    161,558.82/242,334.79 = 43,230.17/x
  3. Step 3: Cross multiply
    161,558.82x = 242,334.79 × 43,230.17
  4. Step 4: Simplify right side
    161,558.82x = 10,476,174,666.38
  5. Step 5: Solve for x
    x = 10,476,174,666.38/161,558.82
  6. Step 6: Final answer
    x = 64,844.34

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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.