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Finding the Fourth Proportional to 167,496.80, 251,245.20 and 56,688.80

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Solution

The fourth proportional to 167,496.80, 251,245.20 and 56,688.80 is: 85,033.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,496.80 : 251,245.20 = 56,688.80 : x
  2. Step 2: Convert to fraction form
    167,496.80/251,245.20 = 56,688.80/x
  3. Step 3: Cross multiply
    167,496.80x = 251,245.20 × 56,688.80
  4. Step 4: Simplify right side
    167,496.80x = 14,242,788,893.76
  5. Step 5: Solve for x
    x = 14,242,788,893.76/167,496.80
  6. Step 6: Final answer
    x = 85,033.20

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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.