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Finding the Fourth Proportional to 106,321.33, 146,730.06 and 58,574.65

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Solution

The fourth proportional to 106,321.33, 146,730.06 and 58,574.65 is: 80,836.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,321.33 : 146,730.06 = 58,574.65 : x
  2. Step 2: Convert to fraction form
    106,321.33/146,730.06 = 58,574.65/x
  3. Step 3: Cross multiply
    106,321.33x = 146,730.06 × 58,574.65
  4. Step 4: Simplify right side
    106,321.33x = 8,594,661,908.98
  5. Step 5: Solve for x
    x = 8,594,661,908.98/106,321.33
  6. Step 6: Final answer
    x = 80,836.67

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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.