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Finding the Fourth Proportional to 264,760.55, 365,373.26 and 143,901.80

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Solution

The fourth proportional to 264,760.55, 365,373.26 and 143,901.80 is: 198,586.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,760.55 : 365,373.26 = 143,901.80 : x
  2. Step 2: Convert to fraction form
    264,760.55/365,373.26 = 143,901.80/x
  3. Step 3: Cross multiply
    264,760.55x = 365,373.26 × 143,901.80
  4. Step 4: Simplify right side
    264,760.55x = 52,577,867,239.49
  5. Step 5: Solve for x
    x = 52,577,867,239.49/264,760.55
  6. Step 6: Final answer
    x = 198,586.49

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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.