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Finding the Fourth Proportional to 173,827.20, 260,740.80 and 162,076.80

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Solution

The fourth proportional to 173,827.20, 260,740.80 and 162,076.80 is: 243,115.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,827.20 : 260,740.80 = 162,076.80 : x
  2. Step 2: Convert to fraction form
    173,827.20/260,740.80 = 162,076.80/x
  3. Step 3: Cross multiply
    173,827.20x = 260,740.80 × 162,076.80
  4. Step 4: Simplify right side
    173,827.20x = 42,260,034,493.44
  5. Step 5: Solve for x
    x = 42,260,034,493.44/173,827.20
  6. Step 6: Final answer
    x = 243,115.20

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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.