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Finding the Fourth Proportional to 263,650.88, 363,860.64 and 148,950.60

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Solution

The fourth proportional to 263,650.88, 363,860.64 and 148,950.60 is: 205,564.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,650.88 : 363,860.64 = 148,950.60 : x
  2. Step 2: Convert to fraction form
    263,650.88/363,860.64 = 148,950.60/x
  3. Step 3: Cross multiply
    263,650.88x = 363,860.64 × 148,950.60
  4. Step 4: Simplify right side
    263,650.88x = 54,197,260,644.38
  5. Step 5: Solve for x
    x = 54,197,260,644.38/263,650.88
  6. Step 6: Final answer
    x = 205,564.50

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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.