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Finding the Fourth Proportional to 240,790.40, 332,277.90 and 131,889.11

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Solution

The fourth proportional to 240,790.40, 332,277.90 and 131,889.11 is: 181,999.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,790.40 : 332,277.90 = 131,889.11 : x
  2. Step 2: Convert to fraction form
    240,790.40/332,277.90 = 131,889.11/x
  3. Step 3: Cross multiply
    240,790.40x = 332,277.90 × 131,889.11
  4. Step 4: Simplify right side
    240,790.40x = 43,823,837,051.37
  5. Step 5: Solve for x
    x = 43,823,837,051.37/240,790.40
  6. Step 6: Final answer
    x = 181,999.93

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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.