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Finding the Fourth Proportional to 469,087.98, 703,632.54 and 114,099.54

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Solution

The fourth proportional to 469,087.98, 703,632.54 and 114,099.54 is: 171,149.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,087.98 : 703,632.54 = 114,099.54 : x
  2. Step 2: Convert to fraction form
    469,087.98/703,632.54 = 114,099.54/x
  3. Step 3: Cross multiply
    469,087.98x = 703,632.54 × 114,099.54
  4. Step 4: Simplify right side
    469,087.98x = 80,284,149,143.03
  5. Step 5: Solve for x
    x = 80,284,149,143.03/469,087.98
  6. Step 6: Final answer
    x = 171,149.45

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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.