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Finding the Fourth Proportional to 79,164.56, 118,754.64 and 23,005.16

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Solution

The fourth proportional to 79,164.56, 118,754.64 and 23,005.16 is: 34,510.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,164.56 : 118,754.64 = 23,005.16 : x
  2. Step 2: Convert to fraction form
    79,164.56/118,754.64 = 23,005.16/x
  3. Step 3: Cross multiply
    79,164.56x = 118,754.64 × 23,005.16
  4. Step 4: Simplify right side
    79,164.56x = 2,731,969,493.94
  5. Step 5: Solve for x
    x = 2,731,969,493.94/79,164.56
  6. Step 6: Final answer
    x = 34,510.01

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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.