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Finding the Fourth Proportional to 239,833.64, 330,961.74 and 132,401.36

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Solution

The fourth proportional to 239,833.64, 330,961.74 and 132,401.36 is: 182,709.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,833.64 : 330,961.74 = 132,401.36 : x
  2. Step 2: Convert to fraction form
    239,833.64/330,961.74 = 132,401.36/x
  3. Step 3: Cross multiply
    239,833.64x = 330,961.74 × 132,401.36
  4. Step 4: Simplify right side
    239,833.64x = 43,819,784,483.97
  5. Step 5: Solve for x
    x = 43,819,784,483.97/239,833.64
  6. Step 6: Final answer
    x = 182,709.08

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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.