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Finding the Fourth Proportional to 106,326.58, 146,737.32 and 58,579.94

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Solution

The fourth proportional to 106,326.58, 146,737.32 and 58,579.94 is: 80,843.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,326.58 : 146,737.32 = 58,579.94 : x
  2. Step 2: Convert to fraction form
    106,326.58/146,737.32 = 58,579.94/x
  3. Step 3: Cross multiply
    106,326.58x = 146,737.32 × 58,579.94
  4. Step 4: Simplify right side
    106,326.58x = 8,595,863,401.36
  5. Step 5: Solve for x
    x = 8,595,863,401.36/106,326.58
  6. Step 6: Final answer
    x = 80,843.98

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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.