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Finding the Fourth Proportional to 161,362.40, 242,051.09 and 49,058.73

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Solution

The fourth proportional to 161,362.40, 242,051.09 and 49,058.73 is: 73,590.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,362.40 : 242,051.09 = 49,058.73 : x
  2. Step 2: Convert to fraction form
    161,362.40/242,051.09 = 49,058.73/x
  3. Step 3: Cross multiply
    161,362.40x = 242,051.09 × 49,058.73
  4. Step 4: Simplify right side
    161,362.40x = 11,874,718,825.22
  5. Step 5: Solve for x
    x = 11,874,718,825.22/161,362.40
  6. Step 6: Final answer
    x = 73,590.37

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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.