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Finding the Fourth Proportional to 239,529.90, 330,544.17 and 132,099.90

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Solution

The fourth proportional to 239,529.90, 330,544.17 and 132,099.90 is: 182,293.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,529.90 : 330,544.17 = 132,099.90 : x
  2. Step 2: Convert to fraction form
    239,529.90/330,544.17 = 132,099.90/x
  3. Step 3: Cross multiply
    239,529.90x = 330,544.17 × 132,099.90
  4. Step 4: Simplify right side
    239,529.90x = 43,664,851,802.58
  5. Step 5: Solve for x
    x = 43,664,851,802.58/239,529.90
  6. Step 6: Final answer
    x = 182,293.95

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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.