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Finding the Fourth Proportional to 240,078.84, 331,299.90 and 132,646.56

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Solution

The fourth proportional to 240,078.84, 331,299.90 and 132,646.56 is: 183,047.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,078.84 : 331,299.90 = 132,646.56 : x
  2. Step 2: Convert to fraction form
    240,078.84/331,299.90 = 132,646.56/x
  3. Step 3: Cross multiply
    240,078.84x = 331,299.90 × 132,646.56
  4. Step 4: Simplify right side
    240,078.84x = 43,945,792,063.34
  5. Step 5: Solve for x
    x = 43,945,792,063.34/240,078.84
  6. Step 6: Final answer
    x = 183,047.34

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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.