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Finding the Fourth Proportional to 335,782.56, 503,728.57 and 99,149.16

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Solution

The fourth proportional to 335,782.56, 503,728.57 and 99,149.16 is: 148,739.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,782.56 : 503,728.57 = 99,149.16 : x
  2. Step 2: Convert to fraction form
    335,782.56/503,728.57 = 99,149.16/x
  3. Step 3: Cross multiply
    335,782.56x = 503,728.57 × 99,149.16
  4. Step 4: Simplify right side
    335,782.56x = 49,944,264,583.50
  5. Step 5: Solve for x
    x = 49,944,264,583.50/335,782.56
  6. Step 6: Final answer
    x = 148,739.90

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.