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Finding the Fourth Proportional to 106,124, 146,441.52 and 58,379.36

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Solution

The fourth proportional to 106,124, 146,441.52 and 58,379.36 is: 80,558.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,124 : 146,441.52 = 58,379.36 : x
  2. Step 2: Convert to fraction form
    106,124/146,441.52 = 58,379.36/x
  3. Step 3: Cross multiply
    106,124x = 146,441.52 × 58,379.36
  4. Step 4: Simplify right side
    106,124x = 8,549,162,215.03
  5. Step 5: Solve for x
    x = 8,549,162,215.03/106,124
  6. Step 6: Final answer
    x = 80,558.24

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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.