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Finding the Fourth Proportional to 353,350.69, 530,201.17 and 140,114.03

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Solution

The fourth proportional to 353,350.69, 530,201.17 and 140,114.03 is: 210,240.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,350.69 : 530,201.17 = 140,114.03 : x
  2. Step 2: Convert to fraction form
    353,350.69/530,201.17 = 140,114.03/x
  3. Step 3: Cross multiply
    353,350.69x = 530,201.17 × 140,114.03
  4. Step 4: Simplify right side
    353,350.69x = 74,288,622,151.81
  5. Step 5: Solve for x
    x = 74,288,622,151.81/353,350.69
  6. Step 6: Final answer
    x = 210,240.49

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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.