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Finding the Fourth Proportional to 537,900.84, 806,825.32 and 133,091.39

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Solution

The fourth proportional to 537,900.84, 806,825.32 and 133,091.39 is: 199,630.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,900.84 : 806,825.32 = 133,091.39 : x
  2. Step 2: Convert to fraction form
    537,900.84/806,825.32 = 133,091.39/x
  3. Step 3: Cross multiply
    537,900.84x = 806,825.32 × 133,091.39
  4. Step 4: Simplify right side
    537,900.84x = 107,381,505,010.33
  5. Step 5: Solve for x
    x = 107,381,505,010.33/537,900.84
  6. Step 6: Final answer
    x = 199,630.67

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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.