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Finding the Fourth Proportional to 167,115.64, 250,623.76 and 48,755.20

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Solution

The fourth proportional to 167,115.64, 250,623.76 and 48,755.20 is: 73,118.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,115.64 : 250,623.76 = 48,755.20 : x
  2. Step 2: Convert to fraction form
    167,115.64/250,623.76 = 48,755.20/x
  3. Step 3: Cross multiply
    167,115.64x = 250,623.76 × 48,755.20
  4. Step 4: Simplify right side
    167,115.64x = 12,219,211,543.55
  5. Step 5: Solve for x
    x = 12,219,211,543.55/167,115.64
  6. Step 6: Final answer
    x = 73,118.30

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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.