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Finding the Fourth Proportional to 106,596.60, 147,103.74 and 58,198.68

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Solution

The fourth proportional to 106,596.60, 147,103.74 and 58,198.68 is: 80,314.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,596.60 : 147,103.74 = 58,198.68 : x
  2. Step 2: Convert to fraction form
    106,596.60/147,103.74 = 58,198.68/x
  3. Step 3: Cross multiply
    106,596.60x = 147,103.74 × 58,198.68
  4. Step 4: Simplify right side
    106,596.60x = 8,561,243,491.06
  5. Step 5: Solve for x
    x = 8,561,243,491.06/106,596.60
  6. Step 6: Final answer
    x = 80,314.41

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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.