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Finding the Fourth Proportional to 202,703.72, 304,062.93 and 69,583.19

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Solution

The fourth proportional to 202,703.72, 304,062.93 and 69,583.19 is: 104,377.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,703.72 : 304,062.93 = 69,583.19 : x
  2. Step 2: Convert to fraction form
    202,703.72/304,062.93 = 69,583.19/x
  3. Step 3: Cross multiply
    202,703.72x = 304,062.93 × 69,583.19
  4. Step 4: Simplify right side
    202,703.72x = 21,157,667,109.83
  5. Step 5: Solve for x
    x = 21,157,667,109.83/202,703.72
  6. Step 6: Final answer
    x = 104,377.30

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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.