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Finding the Fourth Proportional to 161,343.46, 242,042.87 and 49,035.03

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Solution

The fourth proportional to 161,343.46, 242,042.87 and 49,035.03 is: 73,560.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,343.46 : 242,042.87 = 49,035.03 : x
  2. Step 2: Convert to fraction form
    161,343.46/242,042.87 = 49,035.03/x
  3. Step 3: Cross multiply
    161,343.46x = 242,042.87 × 49,035.03
  4. Step 4: Simplify right side
    161,343.46x = 11,868,579,391.74
  5. Step 5: Solve for x
    x = 11,868,579,391.74/161,343.46
  6. Step 6: Final answer
    x = 73,560.96

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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.