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Finding the Fourth Proportional to 201,277.12, 301,898.24 and 68,154.56

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Solution

The fourth proportional to 201,277.12, 301,898.24 and 68,154.56 is: 102,225.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,277.12 : 301,898.24 = 68,154.56 : x
  2. Step 2: Convert to fraction form
    201,277.12/301,898.24 = 68,154.56/x
  3. Step 3: Cross multiply
    201,277.12x = 301,898.24 × 68,154.56
  4. Step 4: Simplify right side
    201,277.12x = 20,575,741,711.97
  5. Step 5: Solve for x
    x = 20,575,741,711.97/201,277.12
  6. Step 6: Final answer
    x = 102,225.93

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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.