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Finding the Fourth Proportional to 348,063.99, 522,161.33 and 111,343.11

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Solution

The fourth proportional to 348,063.99, 522,161.33 and 111,343.11 is: 167,035.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,063.99 : 522,161.33 = 111,343.11 : x
  2. Step 2: Convert to fraction form
    348,063.99/522,161.33 = 111,343.11/x
  3. Step 3: Cross multiply
    348,063.99x = 522,161.33 × 111,343.11
  4. Step 4: Simplify right side
    348,063.99x = 58,139,065,847.22
  5. Step 5: Solve for x
    x = 58,139,065,847.22/348,063.99
  6. Step 6: Final answer
    x = 167,035.57

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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.