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Finding the Fourth Proportional to 167,808.30, 251,712.45 and 57,000.30

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Solution

The fourth proportional to 167,808.30, 251,712.45 and 57,000.30 is: 85,500.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,808.30 : 251,712.45 = 57,000.30 : x
  2. Step 2: Convert to fraction form
    167,808.30/251,712.45 = 57,000.30/x
  3. Step 3: Cross multiply
    167,808.30x = 251,712.45 × 57,000.30
  4. Step 4: Simplify right side
    167,808.30x = 14,347,685,163.74
  5. Step 5: Solve for x
    x = 14,347,685,163.74/167,808.30
  6. Step 6: Final answer
    x = 85,500.45

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1.5x scale

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.