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Finding the Fourth Proportional to 201,627.40, 302,441.10 and 89,361.40

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Solution

The fourth proportional to 201,627.40, 302,441.10 and 89,361.40 is: 134,042.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,627.40 : 302,441.10 = 89,361.40 : x
  2. Step 2: Convert to fraction form
    201,627.40/302,441.10 = 89,361.40/x
  3. Step 3: Cross multiply
    201,627.40x = 302,441.10 × 89,361.40
  4. Step 4: Simplify right side
    201,627.40x = 27,026,560,113.54
  5. Step 5: Solve for x
    x = 27,026,560,113.54/201,627.40
  6. Step 6: Final answer
    x = 134,042.10

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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.