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Finding the Fourth Proportional to 202,258.80, 303,497.55 and 83,942.10

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Solution

The fourth proportional to 202,258.80, 303,497.55 and 83,942.10 is: 125,958.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,258.80 : 303,497.55 = 83,942.10 : x
  2. Step 2: Convert to fraction form
    202,258.80/303,497.55 = 83,942.10/x
  3. Step 3: Cross multiply
    202,258.80x = 303,497.55 × 83,942.10
  4. Step 4: Simplify right side
    202,258.80x = 25,476,221,691.86
  5. Step 5: Solve for x
    x = 25,476,221,691.86/202,258.80
  6. Step 6: Final answer
    x = 125,958.53

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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.