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Finding the Fourth Proportional to 354,313.98, 531,472.91 and 88,074.49

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Solution

The fourth proportional to 354,313.98, 531,472.91 and 88,074.49 is: 132,112.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,313.98 : 531,472.91 = 88,074.49 : x
  2. Step 2: Convert to fraction form
    354,313.98/531,472.91 = 88,074.49/x
  3. Step 3: Cross multiply
    354,313.98x = 531,472.91 × 88,074.49
  4. Step 4: Simplify right side
    354,313.98x = 46,809,205,497.07
  5. Step 5: Solve for x
    x = 46,809,205,497.07/354,313.98
  6. Step 6: Final answer
    x = 132,112.22

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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.