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Finding the Fourth Proportional to 271,576.40, 407,510.40 and 113,820.80

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Solution

The fourth proportional to 271,576.40, 407,510.40 and 113,820.80 is: 170,792.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,576.40 : 407,510.40 = 113,820.80 : x
  2. Step 2: Convert to fraction form
    271,576.40/407,510.40 = 113,820.80/x
  3. Step 3: Cross multiply
    271,576.40x = 407,510.40 × 113,820.80
  4. Step 4: Simplify right side
    271,576.40x = 46,383,159,736.32
  5. Step 5: Solve for x
    x = 46,383,159,736.32/271,576.40
  6. Step 6: Final answer
    x = 170,792.31

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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.