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Finding the Fourth Proportional to 85,193.19, 117,567.08 and 49,404.44

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Solution

The fourth proportional to 85,193.19, 117,567.08 and 49,404.44 is: 68,178.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,193.19 : 117,567.08 = 49,404.44 : x
  2. Step 2: Convert to fraction form
    85,193.19/117,567.08 = 49,404.44/x
  3. Step 3: Cross multiply
    85,193.19x = 117,567.08 × 49,404.44
  4. Step 4: Simplify right side
    85,193.19x = 5,808,334,914.98
  5. Step 5: Solve for x
    x = 5,808,334,914.98/85,193.19
  6. Step 6: Final answer
    x = 68,178.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.