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Finding the Fourth Proportional to 73,154.94, 109,709.73 and 26,401.74

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Solution

The fourth proportional to 73,154.94, 109,709.73 and 26,401.74 is: 39,594.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,154.94 : 109,709.73 = 26,401.74 : x
  2. Step 2: Convert to fraction form
    73,154.94/109,709.73 = 26,401.74/x
  3. Step 3: Cross multiply
    73,154.94x = 109,709.73 × 26,401.74
  4. Step 4: Simplify right side
    73,154.94x = 2,896,527,766.93
  5. Step 5: Solve for x
    x = 2,896,527,766.93/73,154.94
  6. Step 6: Final answer
    x = 39,594.42

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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.