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Finding the Fourth Proportional to 174,696.40, 262,241.70 and 115,647.40

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Solution

The fourth proportional to 174,696.40, 262,241.70 and 115,647.40 is: 173,601.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,696.40 : 262,241.70 = 115,647.40 : x
  2. Step 2: Convert to fraction form
    174,696.40/262,241.70 = 115,647.40/x
  3. Step 3: Cross multiply
    174,696.40x = 262,241.70 × 115,647.40
  4. Step 4: Simplify right side
    174,696.40x = 30,327,570,776.58
  5. Step 5: Solve for x
    x = 30,327,570,776.58/174,696.40
  6. Step 6: Final answer
    x = 173,601.58

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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.