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Finding the Fourth Proportional to 264,253.53, 364,668.02 and 143,391.74

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Solution

The fourth proportional to 264,253.53, 364,668.02 and 143,391.74 is: 197,879.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,253.53 : 364,668.02 = 143,391.74 : x
  2. Step 2: Convert to fraction form
    264,253.53/364,668.02 = 143,391.74/x
  3. Step 3: Cross multiply
    264,253.53x = 364,668.02 × 143,391.74
  4. Step 4: Simplify right side
    264,253.53x = 52,290,380,281.53
  5. Step 5: Solve for x
    x = 52,290,380,281.53/264,253.53
  6. Step 6: Final answer
    x = 197,879.59

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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.