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Finding the Fourth Proportional to 366,199.46, 548,643.09 and 129,391.10

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Solution

The fourth proportional to 366,199.46, 548,643.09 and 129,391.10 is: 193,854.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,199.46 : 548,643.09 = 129,391.10 : x
  2. Step 2: Convert to fraction form
    366,199.46/548,643.09 = 129,391.10/x
  3. Step 3: Cross multiply
    366,199.46x = 548,643.09 × 129,391.10
  4. Step 4: Simplify right side
    366,199.46x = 70,989,532,922.50
  5. Step 5: Solve for x
    x = 70,989,532,922.50/366,199.46
  6. Step 6: Final answer
    x = 193,854.83

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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.