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Finding the Fourth Proportional to 146,672.98, 202,408.79 and 79,604.98

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Solution

The fourth proportional to 146,672.98, 202,408.79 and 79,604.98 is: 109,854.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,672.98 : 202,408.79 = 79,604.98 : x
  2. Step 2: Convert to fraction form
    146,672.98/202,408.79 = 79,604.98/x
  3. Step 3: Cross multiply
    146,672.98x = 202,408.79 × 79,604.98
  4. Step 4: Simplify right side
    146,672.98x = 16,112,747,679.77
  5. Step 5: Solve for x
    x = 16,112,747,679.77/146,672.98
  6. Step 6: Final answer
    x = 109,854.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.