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Finding the Fourth Proportional to 240,998.98, 332,502.60 and 139,010.77

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Solution

The fourth proportional to 240,998.98, 332,502.60 and 139,010.77 is: 191,791.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,998.98 : 332,502.60 = 139,010.77 : x
  2. Step 2: Convert to fraction form
    240,998.98/332,502.60 = 139,010.77/x
  3. Step 3: Cross multiply
    240,998.98x = 332,502.60 × 139,010.77
  4. Step 4: Simplify right side
    240,998.98x = 46,221,441,757.95
  5. Step 5: Solve for x
    x = 46,221,441,757.95/240,998.98
  6. Step 6: Final answer
    x = 191,791.02

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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.