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Finding the Fourth Proportional to 202,633.70, 303,956.71 and 69,512.04

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Solution

The fourth proportional to 202,633.70, 303,956.71 and 69,512.04 is: 104,270.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,633.70 : 303,956.71 = 69,512.04 : x
  2. Step 2: Convert to fraction form
    202,633.70/303,956.71 = 69,512.04/x
  3. Step 3: Cross multiply
    202,633.70x = 303,956.71 × 69,512.04
  4. Step 4: Simplify right side
    202,633.70x = 21,128,650,810.01
  5. Step 5: Solve for x
    x = 21,128,650,810.01/202,633.70
  6. Step 6: Final answer
    x = 104,270.17

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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.