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Finding the Fourth Proportional to 202,548, 303,858.92 and 69,441.72

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Solution

The fourth proportional to 202,548, 303,858.92 and 69,441.72 is: 104,175.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,548 : 303,858.92 = 69,441.72 : x
  2. Step 2: Convert to fraction form
    202,548/303,858.92 = 69,441.72/x
  3. Step 3: Cross multiply
    202,548x = 303,858.92 × 69,441.72
  4. Step 4: Simplify right side
    202,548x = 21,100,486,042.14
  5. Step 5: Solve for x
    x = 21,100,486,042.14/202,548
  6. Step 6: Final answer
    x = 104,175.24

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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.