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Finding the Fourth Proportional to 161,796.71, 242,678.66 and 43,452.68

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Solution

The fourth proportional to 161,796.71, 242,678.66 and 43,452.68 is: 65,174.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,796.71 : 242,678.66 = 43,452.68 : x
  2. Step 2: Convert to fraction form
    161,796.71/242,678.66 = 43,452.68/x
  3. Step 3: Cross multiply
    161,796.71x = 242,678.66 × 43,452.68
  4. Step 4: Simplify right side
    161,796.71x = 10,545,036,725.15
  5. Step 5: Solve for x
    x = 10,545,036,725.15/161,796.71
  6. Step 6: Final answer
    x = 65,174.61

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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.