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Finding the Fourth Proportional to 201,360.92, 302,040.02 and 68,334.83

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Solution

The fourth proportional to 201,360.92, 302,040.02 and 68,334.83 is: 102,501.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,360.92 : 302,040.02 = 68,334.83 : x
  2. Step 2: Convert to fraction form
    201,360.92/302,040.02 = 68,334.83/x
  3. Step 3: Cross multiply
    201,360.92x = 302,040.02 × 68,334.83
  4. Step 4: Simplify right side
    201,360.92x = 20,639,851,568.02
  5. Step 5: Solve for x
    x = 20,639,851,568.02/201,360.92
  6. Step 6: Final answer
    x = 102,501.78

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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.