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Finding the Fourth Proportional to 104,496.10, 156,744.15 and 30,624.10

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Solution

The fourth proportional to 104,496.10, 156,744.15 and 30,624.10 is: 45,936.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,496.10 : 156,744.15 = 30,624.10 : x
  2. Step 2: Convert to fraction form
    104,496.10/156,744.15 = 30,624.10/x
  3. Step 3: Cross multiply
    104,496.10x = 156,744.15 × 30,624.10
  4. Step 4: Simplify right side
    104,496.10x = 4,800,148,524.02
  5. Step 5: Solve for x
    x = 4,800,148,524.02/104,496.10
  6. Step 6: Final answer
    x = 45,936.15

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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.