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Finding the Fourth Proportional to 167,745.12, 251,624.64 and 53,904.48

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Solution

The fourth proportional to 167,745.12, 251,624.64 and 53,904.48 is: 80,858.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,745.12 : 251,624.64 = 53,904.48 : x
  2. Step 2: Convert to fraction form
    167,745.12/251,624.64 = 53,904.48/x
  3. Step 3: Cross multiply
    167,745.12x = 251,624.64 × 53,904.48
  4. Step 4: Simplify right side
    167,745.12x = 13,563,695,374.39
  5. Step 5: Solve for x
    x = 13,563,695,374.39/167,745.12
  6. Step 6: Final answer
    x = 80,858.96

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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.