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Finding the Fourth Proportional to 141,640.88, 212,461.84 and 52,893.44

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Solution

The fourth proportional to 141,640.88, 212,461.84 and 52,893.44 is: 79,340.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,640.88 : 212,461.84 = 52,893.44 : x
  2. Step 2: Convert to fraction form
    141,640.88/212,461.84 = 52,893.44/x
  3. Step 3: Cross multiply
    141,640.88x = 212,461.84 × 52,893.44
  4. Step 4: Simplify right side
    141,640.88x = 11,237,837,586.33
  5. Step 5: Solve for x
    x = 11,237,837,586.33/141,640.88
  6. Step 6: Final answer
    x = 79,340.35

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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.