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Finding the Fourth Proportional to 73,790.42, 110,708.94 and 26,404.40

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Solution

The fourth proportional to 73,790.42, 110,708.94 and 26,404.40 is: 39,614.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,790.42 : 110,708.94 = 26,404.40 : x
  2. Step 2: Convert to fraction form
    73,790.42/110,708.94 = 26,404.40/x
  3. Step 3: Cross multiply
    73,790.42x = 110,708.94 × 26,404.40
  4. Step 4: Simplify right side
    73,790.42x = 2,923,202,581.79
  5. Step 5: Solve for x
    x = 2,923,202,581.79/73,790.42
  6. Step 6: Final answer
    x = 39,614.94

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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.