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Finding the Fourth Proportional to 264,739.17, 365,342.88 and 143,880.47

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Solution

The fourth proportional to 264,739.17, 365,342.88 and 143,880.47 is: 198,556.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,739.17 : 365,342.88 = 143,880.47 : x
  2. Step 2: Convert to fraction form
    264,739.17/365,342.88 = 143,880.47/x
  3. Step 3: Cross multiply
    264,739.17x = 365,342.88 × 143,880.47
  4. Step 4: Simplify right side
    264,739.17x = 52,565,705,285.55
  5. Step 5: Solve for x
    x = 52,565,705,285.55/264,739.17
  6. Step 6: Final answer
    x = 198,556.58

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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.