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Finding the Fourth Proportional to 272,441.98, 375,960.43 and 149,922.91

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Solution

The fourth proportional to 272,441.98, 375,960.43 and 149,922.91 is: 206,888.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,441.98 : 375,960.43 = 149,922.91 : x
  2. Step 2: Convert to fraction form
    272,441.98/375,960.43 = 149,922.91/x
  3. Step 3: Cross multiply
    272,441.98x = 375,960.43 × 149,922.91
  4. Step 4: Simplify right side
    272,441.98x = 56,365,081,710.45
  5. Step 5: Solve for x
    x = 56,365,081,710.45/272,441.98
  6. Step 6: Final answer
    x = 206,888.39

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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.