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Finding the Fourth Proportional to 264,770.98, 365,386.40 and 143,912.54

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Solution

The fourth proportional to 264,770.98, 365,386.40 and 143,912.54 is: 198,600.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,770.98 : 365,386.40 = 143,912.54 : x
  2. Step 2: Convert to fraction form
    264,770.98/365,386.40 = 143,912.54/x
  3. Step 3: Cross multiply
    264,770.98x = 365,386.40 × 143,912.54
  4. Step 4: Simplify right side
    264,770.98x = 52,583,684,905.46
  5. Step 5: Solve for x
    x = 52,583,684,905.46/264,770.98
  6. Step 6: Final answer
    x = 198,600.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.