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Finding the Fourth Proportional to 115,940.60, 173,894.70 and 37,062.80

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Solution

The fourth proportional to 115,940.60, 173,894.70 and 37,062.80 is: 55,589.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,940.60 : 173,894.70 = 37,062.80 : x
  2. Step 2: Convert to fraction form
    115,940.60/173,894.70 = 37,062.80/x
  3. Step 3: Cross multiply
    115,940.60x = 173,894.70 × 37,062.80
  4. Step 4: Simplify right side
    115,940.60x = 6,445,024,487.16
  5. Step 5: Solve for x
    x = 6,445,024,487.16/115,940.60
  6. Step 6: Final answer
    x = 55,589.02

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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.