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Finding the Fourth Proportional to 239,439.84, 330,421.44 and 132,007.44

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Solution

The fourth proportional to 239,439.84, 330,421.44 and 132,007.44 is: 182,167.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,439.84 : 330,421.44 = 132,007.44 : x
  2. Step 2: Convert to fraction form
    239,439.84/330,421.44 = 132,007.44/x
  3. Step 3: Cross multiply
    239,439.84x = 330,421.44 × 132,007.44
  4. Step 4: Simplify right side
    239,439.84x = 43,618,088,415.51
  5. Step 5: Solve for x
    x = 43,618,088,415.51/239,439.84
  6. Step 6: Final answer
    x = 182,167.21

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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.