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Finding the Fourth Proportional to 239,457.87, 330,444.36 and 132,030

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Solution

The fourth proportional to 239,457.87, 330,444.36 and 132,030 is: 182,197.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,457.87 : 330,444.36 = 132,030 : x
  2. Step 2: Convert to fraction form
    239,457.87/330,444.36 = 132,030/x
  3. Step 3: Cross multiply
    239,457.87x = 330,444.36 × 132,030
  4. Step 4: Simplify right side
    239,457.87x = 43,628,568,850.80
  5. Step 5: Solve for x
    x = 43,628,568,850.80/239,457.87
  6. Step 6: Final answer
    x = 182,197.26

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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.