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Finding the Fourth Proportional to 141,576.16, 212,495.46 and 71,504.68

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Solution

The fourth proportional to 141,576.16, 212,495.46 and 71,504.68 is: 107,323.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,576.16 : 212,495.46 = 71,504.68 : x
  2. Step 2: Convert to fraction form
    141,576.16/212,495.46 = 71,504.68/x
  3. Step 3: Cross multiply
    141,576.16x = 212,495.46 × 71,504.68
  4. Step 4: Simplify right side
    141,576.16x = 15,194,419,868.75
  5. Step 5: Solve for x
    x = 15,194,419,868.75/141,576.16
  6. Step 6: Final answer
    x = 107,323.29

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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.