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Finding the Fourth Proportional to 202,718.18, 303,743.30 and 69,525.33

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Solution

The fourth proportional to 202,718.18, 303,743.30 and 69,525.33 is: 104,173.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,718.18 : 303,743.30 = 69,525.33 : x
  2. Step 2: Convert to fraction form
    202,718.18/303,743.30 = 69,525.33/x
  3. Step 3: Cross multiply
    202,718.18x = 303,743.30 × 69,525.33
  4. Step 4: Simplify right side
    202,718.18x = 21,117,853,167.79
  5. Step 5: Solve for x
    x = 21,117,853,167.79/202,718.18
  6. Step 6: Final answer
    x = 104,173.45

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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.