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Finding the Fourth Proportional to 174,740, 262,110 and 43,412

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Solution

The fourth proportional to 174,740, 262,110 and 43,412 is: 65,118

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,740 : 262,110 = 43,412 : x
  2. Step 2: Convert to fraction form
    174,740/262,110 = 43,412/x
  3. Step 3: Cross multiply
    174,740x = 262,110 × 43,412
  4. Step 4: Simplify right side
    174,740x = 11,378,719,320
  5. Step 5: Solve for x
    x = 11,378,719,320/174,740
  6. Step 6: Final answer
    x = 65,118

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.