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Finding the Fourth Proportional to 245,273.98, 368,027.60 and 112,144

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Solution

The fourth proportional to 245,273.98, 368,027.60 and 112,144 is: 168,269.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,273.98 : 368,027.60 = 112,144 : x
  2. Step 2: Convert to fraction form
    245,273.98/368,027.60 = 112,144/x
  3. Step 3: Cross multiply
    245,273.98x = 368,027.60 × 112,144
  4. Step 4: Simplify right side
    245,273.98x = 41,272,087,174.40
  5. Step 5: Solve for x
    x = 41,272,087,174.40/245,273.98
  6. Step 6: Final answer
    x = 168,269.33

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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.