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Finding the Fourth Proportional to 274,237.94, 411,408.38 and 124,488.79

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Solution

The fourth proportional to 274,237.94, 411,408.38 and 124,488.79 is: 186,756.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,237.94 : 411,408.38 = 124,488.79 : x
  2. Step 2: Convert to fraction form
    274,237.94/411,408.38 = 124,488.79/x
  3. Step 3: Cross multiply
    274,237.94x = 411,408.38 × 124,488.79
  4. Step 4: Simplify right side
    274,237.94x = 51,215,730,704.76
  5. Step 5: Solve for x
    x = 51,215,730,704.76/274,237.94
  6. Step 6: Final answer
    x = 186,756.55

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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.