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Finding the Fourth Proportional to 161,906.65, 242,841.04 and 43,568.69

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Solution

The fourth proportional to 161,906.65, 242,841.04 and 43,568.69 is: 65,347.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,906.65 : 242,841.04 = 43,568.69 : x
  2. Step 2: Convert to fraction form
    161,906.65/242,841.04 = 43,568.69/x
  3. Step 3: Cross multiply
    161,906.65x = 242,841.04 × 43,568.69
  4. Step 4: Simplify right side
    161,906.65x = 10,580,264,667.91
  5. Step 5: Solve for x
    x = 10,580,264,667.91/161,906.65
  6. Step 6: Final answer
    x = 65,347.93

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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.