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Finding the Fourth Proportional to 104,375.79, 156,515.09 and 37,813.23

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Solution

The fourth proportional to 104,375.79, 156,515.09 and 37,813.23 is: 56,702.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,375.79 : 156,515.09 = 37,813.23 : x
  2. Step 2: Convert to fraction form
    104,375.79/156,515.09 = 37,813.23/x
  3. Step 3: Cross multiply
    104,375.79x = 156,515.09 × 37,813.23
  4. Step 4: Simplify right side
    104,375.79x = 5,918,340,907.57
  5. Step 5: Solve for x
    x = 5,918,340,907.57/104,375.79
  6. Step 6: Final answer
    x = 56,702.24

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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.