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Finding the Fourth Proportional to 67,232.34, 100,846.08 and 20,484

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Solution

The fourth proportional to 67,232.34, 100,846.08 and 20,484 is: 30,725.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,232.34 : 100,846.08 = 20,484 : x
  2. Step 2: Convert to fraction form
    67,232.34/100,846.08 = 20,484/x
  3. Step 3: Cross multiply
    67,232.34x = 100,846.08 × 20,484
  4. Step 4: Simplify right side
    67,232.34x = 2,065,731,102.72
  5. Step 5: Solve for x
    x = 2,065,731,102.72/67,232.34
  6. Step 6: Final answer
    x = 30,725.26

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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.