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Finding the Fourth Proportional to 367,121.58, 550,682.40 and 130,473.60

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Solution

The fourth proportional to 367,121.58, 550,682.40 and 130,473.60 is: 195,710.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,121.58 : 550,682.40 = 130,473.60 : x
  2. Step 2: Convert to fraction form
    367,121.58/550,682.40 = 130,473.60/x
  3. Step 3: Cross multiply
    367,121.58x = 550,682.40 × 130,473.60
  4. Step 4: Simplify right side
    367,121.58x = 71,849,515,184.64
  5. Step 5: Solve for x
    x = 71,849,515,184.64/367,121.58
  6. Step 6: Final answer
    x = 195,710.41

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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.