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Finding the Fourth Proportional to 111,459.21, 167,060.06 and 51,362.03

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Solution

The fourth proportional to 111,459.21, 167,060.06 and 51,362.03 is: 76,983.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,459.21 : 167,060.06 = 51,362.03 : x
  2. Step 2: Convert to fraction form
    111,459.21/167,060.06 = 51,362.03/x
  3. Step 3: Cross multiply
    111,459.21x = 167,060.06 × 51,362.03
  4. Step 4: Simplify right side
    111,459.21x = 8,580,543,106.63
  5. Step 5: Solve for x
    x = 8,580,543,106.63/111,459.21
  6. Step 6: Final answer
    x = 76,983.71

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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.