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Finding the Fourth Proportional to 161,595.54, 242,402.63 and 49,279.59

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Solution

The fourth proportional to 161,595.54, 242,402.63 and 49,279.59 is: 73,922.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,595.54 : 242,402.63 = 49,279.59 : x
  2. Step 2: Convert to fraction form
    161,595.54/242,402.63 = 49,279.59/x
  3. Step 3: Cross multiply
    161,595.54x = 242,402.63 × 49,279.59
  4. Step 4: Simplify right side
    161,595.54x = 11,945,501,974.92
  5. Step 5: Solve for x
    x = 11,945,501,974.92/161,595.54
  6. Step 6: Final answer
    x = 73,922.23

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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.