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Finding the Fourth Proportional to 267,706.35, 401,125.37 and 141,339.87

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Solution

The fourth proportional to 267,706.35, 401,125.37 and 141,339.87 is: 211,780.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,706.35 : 401,125.37 = 141,339.87 : x
  2. Step 2: Convert to fraction form
    267,706.35/401,125.37 = 141,339.87/x
  3. Step 3: Cross multiply
    267,706.35x = 401,125.37 × 141,339.87
  4. Step 4: Simplify right side
    267,706.35x = 56,695,006,942.80
  5. Step 5: Solve for x
    x = 56,695,006,942.80/267,706.35
  6. Step 6: Final answer
    x = 211,780.58

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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.