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Finding the Fourth Proportional to 268,135.60, 401,166.60 and 174,823.60

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Solution

The fourth proportional to 268,135.60, 401,166.60 and 174,823.60 is: 261,559.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,135.60 : 401,166.60 = 174,823.60 : x
  2. Step 2: Convert to fraction form
    268,135.60/401,166.60 = 174,823.60/x
  3. Step 3: Cross multiply
    268,135.60x = 401,166.60 × 174,823.60
  4. Step 4: Simplify right side
    268,135.60x = 70,133,389,211.76
  5. Step 5: Solve for x
    x = 70,133,389,211.76/268,135.60
  6. Step 6: Final answer
    x = 261,559.41

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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.