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Finding the Fourth Proportional to 367,143.94, 550,715.86 and 130,495.96

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Solution

The fourth proportional to 367,143.94, 550,715.86 and 130,495.96 is: 195,743.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,143.94 : 550,715.86 = 130,495.96 : x
  2. Step 2: Convert to fraction form
    367,143.94/550,715.86 = 130,495.96/x
  3. Step 3: Cross multiply
    367,143.94x = 550,715.86 × 130,495.96
  4. Step 4: Simplify right side
    367,143.94x = 71,866,195,689.44
  5. Step 5: Solve for x
    x = 71,866,195,689.44/367,143.94
  6. Step 6: Final answer
    x = 195,743.92

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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.