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Finding the Fourth Proportional to 176,615.20, 264,922.80 and 167,629.60

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Solution

The fourth proportional to 176,615.20, 264,922.80 and 167,629.60 is: 251,444.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,615.20 : 264,922.80 = 167,629.60 : x
  2. Step 2: Convert to fraction form
    176,615.20/264,922.80 = 167,629.60/x
  3. Step 3: Cross multiply
    176,615.20x = 264,922.80 × 167,629.60
  4. Step 4: Simplify right side
    176,615.20x = 44,408,902,994.88
  5. Step 5: Solve for x
    x = 44,408,902,994.88/176,615.20
  6. Step 6: Final answer
    x = 251,444.40

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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.