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Finding the Fourth Proportional to 202,727.40, 304,062.30 and 69,613.80

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Solution

The fourth proportional to 202,727.40, 304,062.30 and 69,613.80 is: 104,410.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,727.40 : 304,062.30 = 69,613.80 : x
  2. Step 2: Convert to fraction form
    202,727.40/304,062.30 = 69,613.80/x
  3. Step 3: Cross multiply
    202,727.40x = 304,062.30 × 69,613.80
  4. Step 4: Simplify right side
    202,727.40x = 21,166,932,139.74
  5. Step 5: Solve for x
    x = 21,166,932,139.74/202,727.40
  6. Step 6: Final answer
    x = 104,410.81

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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.