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Finding the Fourth Proportional to 239,574.63, 330,611.61 and 132,144.42

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Solution

The fourth proportional to 239,574.63, 330,611.61 and 132,144.42 is: 182,358.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,574.63 : 330,611.61 = 132,144.42 : x
  2. Step 2: Convert to fraction form
    239,574.63/330,611.61 = 132,144.42/x
  3. Step 3: Cross multiply
    239,574.63x = 330,611.61 × 132,144.42
  4. Step 4: Simplify right side
    239,574.63x = 43,688,479,448.72
  5. Step 5: Solve for x
    x = 43,688,479,448.72/239,574.63
  6. Step 6: Final answer
    x = 182,358.54

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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.