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Finding the Fourth Proportional to 202,212.48, 303,354.36 and 69,061.52

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Solution

The fourth proportional to 202,212.48, 303,354.36 and 69,061.52 is: 103,604.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,212.48 : 303,354.36 = 69,061.52 : x
  2. Step 2: Convert to fraction form
    202,212.48/303,354.36 = 69,061.52/x
  3. Step 3: Cross multiply
    202,212.48x = 303,354.36 × 69,061.52
  4. Step 4: Simplify right side
    202,212.48x = 20,950,113,200.23
  5. Step 5: Solve for x
    x = 20,950,113,200.23/202,212.48
  6. Step 6: Final answer
    x = 103,604.45

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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.