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Finding the Fourth Proportional to 239,832, 330,973.44 and 132,401.76

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Solution

The fourth proportional to 239,832, 330,973.44 and 132,401.76 is: 182,717.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,832 : 330,973.44 = 132,401.76 : x
  2. Step 2: Convert to fraction form
    239,832/330,973.44 = 132,401.76/x
  3. Step 3: Cross multiply
    239,832x = 330,973.44 × 132,401.76
  4. Step 4: Simplify right side
    239,832x = 43,821,465,969.25
  5. Step 5: Solve for x
    x = 43,821,465,969.25/239,832
  6. Step 6: Final answer
    x = 182,717.34

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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.