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Finding the Fourth Proportional to 241,908.80, 333,842.72 and 133,021.43

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Solution

The fourth proportional to 241,908.80, 333,842.72 and 133,021.43 is: 183,574.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,908.80 : 333,842.72 = 133,021.43 : x
  2. Step 2: Convert to fraction form
    241,908.80/333,842.72 = 133,021.43/x
  3. Step 3: Cross multiply
    241,908.80x = 333,842.72 × 133,021.43
  4. Step 4: Simplify right side
    241,908.80x = 44,408,233,675.17
  5. Step 5: Solve for x
    x = 44,408,233,675.17/241,908.80
  6. Step 6: Final answer
    x = 183,574.28

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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.