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Finding the Fourth Proportional to 155,121.76, 214,062.37 and 94,793.37

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Solution

The fourth proportional to 155,121.76, 214,062.37 and 94,793.37 is: 130,811.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,121.76 : 214,062.37 = 94,793.37 : x
  2. Step 2: Convert to fraction form
    155,121.76/214,062.37 = 94,793.37/x
  3. Step 3: Cross multiply
    155,121.76x = 214,062.37 × 94,793.37
  4. Step 4: Simplify right side
    155,121.76x = 20,291,693,442.49
  5. Step 5: Solve for x
    x = 20,291,693,442.49/155,121.76
  6. Step 6: Final answer
    x = 130,811.39

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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.