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Finding the Fourth Proportional to 161,293.86, 241,960.23 and 67,787.46

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Solution

The fourth proportional to 161,293.86, 241,960.23 and 67,787.46 is: 101,689.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,293.86 : 241,960.23 = 67,787.46 : x
  2. Step 2: Convert to fraction form
    161,293.86/241,960.23 = 67,787.46/x
  3. Step 3: Cross multiply
    161,293.86x = 241,960.23 × 67,787.46
  4. Step 4: Simplify right side
    161,293.86x = 16,401,869,412.72
  5. Step 5: Solve for x
    x = 16,401,869,412.72/161,293.86
  6. Step 6: Final answer
    x = 101,689.36

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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.