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Finding the Fourth Proportional to 104,124, 156,190.32 and 30,252

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Solution

The fourth proportional to 104,124, 156,190.32 and 30,252 is: 45,379.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,124 : 156,190.32 = 30,252 : x
  2. Step 2: Convert to fraction form
    104,124/156,190.32 = 30,252/x
  3. Step 3: Cross multiply
    104,124x = 156,190.32 × 30,252
  4. Step 4: Simplify right side
    104,124x = 4,725,069,560.64
  5. Step 5: Solve for x
    x = 4,725,069,560.64/104,124
  6. Step 6: Final answer
    x = 45,379.26

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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.