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Finding the Fourth Proportional to 248,338.93, 372,511.96 and 70,845.96

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Solution

The fourth proportional to 248,338.93, 372,511.96 and 70,845.96 is: 106,269.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,338.93 : 372,511.96 = 70,845.96 : x
  2. Step 2: Convert to fraction form
    248,338.93/372,511.96 = 70,845.96/x
  3. Step 3: Cross multiply
    248,338.93x = 372,511.96 × 70,845.96
  4. Step 4: Simplify right side
    248,338.93x = 26,390,967,417.68
  5. Step 5: Solve for x
    x = 26,390,967,417.68/248,338.93
  6. Step 6: Final answer
    x = 106,269.96

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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.