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Finding the Fourth Proportional to 124,606.37, 186,912.20 and 44,649.55

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Solution

The fourth proportional to 124,606.37, 186,912.20 and 44,649.55 is: 66,975.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,606.37 : 186,912.20 = 44,649.55 : x
  2. Step 2: Convert to fraction form
    124,606.37/186,912.20 = 44,649.55/x
  3. Step 3: Cross multiply
    124,606.37x = 186,912.20 × 44,649.55
  4. Step 4: Simplify right side
    124,606.37x = 8,345,545,619.51
  5. Step 5: Solve for x
    x = 8,345,545,619.51/124,606.37
  6. Step 6: Final answer
    x = 66,975.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.