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Finding the Fourth Proportional to 273,448.13, 410,354.51 and 105,107.45

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Solution

The fourth proportional to 273,448.13, 410,354.51 and 105,107.45 is: 157,731.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,448.13 : 410,354.51 = 105,107.45 : x
  2. Step 2: Convert to fraction form
    273,448.13/410,354.51 = 105,107.45/x
  3. Step 3: Cross multiply
    273,448.13x = 410,354.51 × 105,107.45
  4. Step 4: Simplify right side
    273,448.13x = 43,131,313,564.79
  5. Step 5: Solve for x
    x = 43,131,313,564.79/273,448.13
  6. Step 6: Final answer
    x = 157,731.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.