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Finding the Fourth Proportional to 202,551.51, 303,864.17 and 69,445.22

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Solution

The fourth proportional to 202,551.51, 303,864.17 and 69,445.22 is: 104,180.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,551.51 : 303,864.17 = 69,445.22 : x
  2. Step 2: Convert to fraction form
    202,551.51/303,864.17 = 69,445.22/x
  3. Step 3: Cross multiply
    202,551.51x = 303,864.17 × 69,445.22
  4. Step 4: Simplify right side
    202,551.51x = 21,101,912,269.22
  5. Step 5: Solve for x
    x = 21,101,912,269.22/202,551.51
  6. Step 6: Final answer
    x = 104,180.47

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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.