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Finding the Fourth Proportional to 149,846.70, 224,770.05 and 61,051.80

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Solution

The fourth proportional to 149,846.70, 224,770.05 and 61,051.80 is: 91,577.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,846.70 : 224,770.05 = 61,051.80 : x
  2. Step 2: Convert to fraction form
    149,846.70/224,770.05 = 61,051.80/x
  3. Step 3: Cross multiply
    149,846.70x = 224,770.05 × 61,051.80
  4. Step 4: Simplify right side
    149,846.70x = 13,722,616,138.59
  5. Step 5: Solve for x
    x = 13,722,616,138.59/149,846.70
  6. Step 6: Final answer
    x = 91,577.70

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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.