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Finding the Fourth Proportional to 61,150.60, 91,725.90 and 26,093.80

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Solution

The fourth proportional to 61,150.60, 91,725.90 and 26,093.80 is: 39,140.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,150.60 : 91,725.90 = 26,093.80 : x
  2. Step 2: Convert to fraction form
    61,150.60/91,725.90 = 26,093.80/x
  3. Step 3: Cross multiply
    61,150.60x = 91,725.90 × 26,093.80
  4. Step 4: Simplify right side
    61,150.60x = 2,393,477,289.42
  5. Step 5: Solve for x
    x = 2,393,477,289.42/61,150.60
  6. Step 6: Final answer
    x = 39,140.70

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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.