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Finding the Fourth Proportional to 106,379.39, 146,802.79 and 58,632.79

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Solution

The fourth proportional to 106,379.39, 146,802.79 and 58,632.79 is: 80,912.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,379.39 : 146,802.79 = 58,632.79 : x
  2. Step 2: Convert to fraction form
    106,379.39/146,802.79 = 58,632.79/x
  3. Step 3: Cross multiply
    106,379.39x = 146,802.79 × 58,632.79
  4. Step 4: Simplify right side
    106,379.39x = 8,607,457,157.48
  5. Step 5: Solve for x
    x = 8,607,457,157.48/106,379.39
  6. Step 6: Final answer
    x = 80,912.83

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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.