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Finding the Fourth Proportional to 161,734.30, 242,568.03 and 43,377.50

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Solution

The fourth proportional to 161,734.30, 242,568.03 and 43,377.50 is: 65,057.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,734.30 : 242,568.03 = 43,377.50 : x
  2. Step 2: Convert to fraction form
    161,734.30/242,568.03 = 43,377.50/x
  3. Step 3: Cross multiply
    161,734.30x = 242,568.03 × 43,377.50
  4. Step 4: Simplify right side
    161,734.30x = 10,521,994,721.33
  5. Step 5: Solve for x
    x = 10,521,994,721.33/161,734.30
  6. Step 6: Final answer
    x = 65,057.29

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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.