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Finding the Fourth Proportional to 200,904.44, 301,455 and 80,956.40

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Solution

The fourth proportional to 200,904.44, 301,455 and 80,956.40 is: 121,474.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,904.44 : 301,455 = 80,956.40 : x
  2. Step 2: Convert to fraction form
    200,904.44/301,455 = 80,956.40/x
  3. Step 3: Cross multiply
    200,904.44x = 301,455 × 80,956.40
  4. Step 4: Simplify right side
    200,904.44x = 24,404,711,562
  5. Step 5: Solve for x
    x = 24,404,711,562/200,904.44
  6. Step 6: Final answer
    x = 121,474.23

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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.