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Finding the Fourth Proportional to 335,771.87, 503,832.76 and 148,739.63

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Solution

The fourth proportional to 335,771.87, 503,832.76 and 148,739.63 is: 223,186.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,771.87 : 503,832.76 = 148,739.63 : x
  2. Step 2: Convert to fraction form
    335,771.87/503,832.76 = 148,739.63/x
  3. Step 3: Cross multiply
    335,771.87x = 503,832.76 × 148,739.63
  4. Step 4: Simplify right side
    335,771.87x = 74,939,895,413.27
  5. Step 5: Solve for x
    x = 74,939,895,413.27/335,771.87
  6. Step 6: Final answer
    x = 223,186.94

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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.