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Finding the Fourth Proportional to 263,650.90, 363,860.64 and 148,950.58

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Solution

The fourth proportional to 263,650.90, 363,860.64 and 148,950.58 is: 205,564.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,650.90 : 363,860.64 = 148,950.58 : x
  2. Step 2: Convert to fraction form
    263,650.90/363,860.64 = 148,950.58/x
  3. Step 3: Cross multiply
    263,650.90x = 363,860.64 × 148,950.58
  4. Step 4: Simplify right side
    263,650.90x = 54,197,253,367.17
  5. Step 5: Solve for x
    x = 54,197,253,367.17/263,650.90
  6. Step 6: Final answer
    x = 205,564.45

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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.