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Finding the Fourth Proportional to 245,657.35, 368,481.92 and 110,646.33

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Solution

The fourth proportional to 245,657.35, 368,481.92 and 110,646.33 is: 165,967.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,657.35 : 368,481.92 = 110,646.33 : x
  2. Step 2: Convert to fraction form
    245,657.35/368,481.92 = 110,646.33/x
  3. Step 3: Cross multiply
    245,657.35x = 368,481.92 × 110,646.33
  4. Step 4: Simplify right side
    245,657.35x = 40,771,171,566.12
  5. Step 5: Solve for x
    x = 40,771,171,566.12/245,657.35
  6. Step 6: Final answer
    x = 165,967.64

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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.