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Finding the Fourth Proportional to 125,884.56, 173,720.70 and 69,295.50

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Solution

The fourth proportional to 125,884.56, 173,720.70 and 69,295.50 is: 95,627.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,884.56 : 173,720.70 = 69,295.50 : x
  2. Step 2: Convert to fraction form
    125,884.56/173,720.70 = 69,295.50/x
  3. Step 3: Cross multiply
    125,884.56x = 173,720.70 × 69,295.50
  4. Step 4: Simplify right side
    125,884.56x = 12,038,062,766.85
  5. Step 5: Solve for x
    x = 12,038,062,766.85/125,884.56
  6. Step 6: Final answer
    x = 95,627.79

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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.