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Finding the Fourth Proportional to 268,052.40, 402,078.60 and 110,199.60

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Solution

The fourth proportional to 268,052.40, 402,078.60 and 110,199.60 is: 165,299.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,052.40 : 402,078.60 = 110,199.60 : x
  2. Step 2: Convert to fraction form
    268,052.40/402,078.60 = 110,199.60/x
  3. Step 3: Cross multiply
    268,052.40x = 402,078.60 × 110,199.60
  4. Step 4: Simplify right side
    268,052.40x = 44,308,900,888.56
  5. Step 5: Solve for x
    x = 44,308,900,888.56/268,052.40
  6. Step 6: Final answer
    x = 165,299.40

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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.