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Finding the Fourth Proportional to 104,900.85, 157,408.88 and 49,495.41

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Solution

The fourth proportional to 104,900.85, 157,408.88 and 49,495.41 is: 74,270.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,900.85 : 157,408.88 = 49,495.41 : x
  2. Step 2: Convert to fraction form
    104,900.85/157,408.88 = 49,495.41/x
  3. Step 3: Cross multiply
    104,900.85x = 157,408.88 × 49,495.41
  4. Step 4: Simplify right side
    104,900.85x = 7,791,016,805.76
  5. Step 5: Solve for x
    x = 7,791,016,805.76/104,900.85
  6. Step 6: Final answer
    x = 74,270.29

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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.