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Finding the Fourth Proportional to 161,947.62, 242,893.83 and 43,592.58

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Solution

The fourth proportional to 161,947.62, 242,893.83 and 43,592.58 is: 65,381.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,947.62 : 242,893.83 = 43,592.58 : x
  2. Step 2: Convert to fraction form
    161,947.62/242,893.83 = 43,592.58/x
  3. Step 3: Cross multiply
    161,947.62x = 242,893.83 × 43,592.58
  4. Step 4: Simplify right side
    161,947.62x = 10,588,368,715.78
  5. Step 5: Solve for x
    x = 10,588,368,715.78/161,947.62
  6. Step 6: Final answer
    x = 65,381.44

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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.