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Finding the Fourth Proportional to 267,930.62, 401,931.59 and 141,576.03

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Solution

The fourth proportional to 267,930.62, 401,931.59 and 141,576.03 is: 212,382.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,930.62 : 401,931.59 = 141,576.03 : x
  2. Step 2: Convert to fraction form
    267,930.62/401,931.59 = 141,576.03/x
  3. Step 3: Cross multiply
    267,930.62x = 401,931.59 × 141,576.03
  4. Step 4: Simplify right side
    267,930.62x = 56,903,878,135.91
  5. Step 5: Solve for x
    x = 56,903,878,135.91/267,930.62
  6. Step 6: Final answer
    x = 212,382.89

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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.