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Finding the Fourth Proportional to 247,869.72, 371,738.16 and 107,595

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Solution

The fourth proportional to 247,869.72, 371,738.16 and 107,595 is: 161,363.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,869.72 : 371,738.16 = 107,595 : x
  2. Step 2: Convert to fraction form
    247,869.72/371,738.16 = 107,595/x
  3. Step 3: Cross multiply
    247,869.72x = 371,738.16 × 107,595
  4. Step 4: Simplify right side
    247,869.72x = 39,997,167,325.20
  5. Step 5: Solve for x
    x = 39,997,167,325.20/247,869.72
  6. Step 6: Final answer
    x = 161,363.67

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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.