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Finding the Fourth Proportional to 201,361.67, 302,041.14 and 68,335.58

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Solution

The fourth proportional to 201,361.67, 302,041.14 and 68,335.58 is: 102,502.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,361.67 : 302,041.14 = 68,335.58 : x
  2. Step 2: Convert to fraction form
    201,361.67/302,041.14 = 68,335.58/x
  3. Step 3: Cross multiply
    201,361.67x = 302,041.14 × 68,335.58
  4. Step 4: Simplify right side
    201,361.67x = 20,640,154,975.56
  5. Step 5: Solve for x
    x = 20,640,154,975.56/201,361.67
  6. Step 6: Final answer
    x = 102,502.90

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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.