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Finding the Fourth Proportional to 84,173.16, 126,236.37 and 23,369.46

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Solution

The fourth proportional to 84,173.16, 126,236.37 and 23,369.46 is: 35,047.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,173.16 : 126,236.37 = 23,369.46 : x
  2. Step 2: Convert to fraction form
    84,173.16/126,236.37 = 23,369.46/x
  3. Step 3: Cross multiply
    84,173.16x = 126,236.37 × 23,369.46
  4. Step 4: Simplify right side
    84,173.16x = 2,950,075,799.26
  5. Step 5: Solve for x
    x = 2,950,075,799.26/84,173.16
  6. Step 6: Final answer
    x = 35,047.70

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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.