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Finding the Fourth Proportional to 335,771.92, 503,749.91 and 99,114.53

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Solution

The fourth proportional to 335,771.92, 503,749.91 and 99,114.53 is: 148,698.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,771.92 : 503,749.91 = 99,114.53 : x
  2. Step 2: Convert to fraction form
    335,771.92/503,749.91 = 99,114.53/x
  3. Step 3: Cross multiply
    335,771.92x = 503,749.91 × 99,114.53
  4. Step 4: Simplify right side
    335,771.92x = 49,928,937,074.35
  5. Step 5: Solve for x
    x = 49,928,937,074.35/335,771.92
  6. Step 6: Final answer
    x = 148,698.97

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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.