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Finding the Fourth Proportional to 239,506.62, 359,399.97 and 132,980.34

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Solution

The fourth proportional to 239,506.62, 359,399.97 and 132,980.34 is: 199,548.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,506.62 : 359,399.97 = 132,980.34 : x
  2. Step 2: Convert to fraction form
    239,506.62/359,399.97 = 132,980.34/x
  3. Step 3: Cross multiply
    239,506.62x = 359,399.97 × 132,980.34
  4. Step 4: Simplify right side
    239,506.62x = 47,793,130,206.59
  5. Step 5: Solve for x
    x = 47,793,130,206.59/239,506.62
  6. Step 6: Final answer
    x = 199,548.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.