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Finding the Fourth Proportional to 264,798.88, 365,425.98 and 143,942.02

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Solution

The fourth proportional to 264,798.88, 365,425.98 and 143,942.02 is: 198,641.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,798.88 : 365,425.98 = 143,942.02 : x
  2. Step 2: Convert to fraction form
    264,798.88/365,425.98 = 143,942.02/x
  3. Step 3: Cross multiply
    264,798.88x = 365,425.98 × 143,942.02
  4. Step 4: Simplify right side
    264,798.88x = 52,600,153,721.68
  5. Step 5: Solve for x
    x = 52,600,153,721.68/264,798.88
  6. Step 6: Final answer
    x = 198,641.90

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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.