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Finding the Fourth Proportional to 104,271.48, 156,446.37 and 48,138.48

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Solution

The fourth proportional to 104,271.48, 156,446.37 and 48,138.48 is: 72,225.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,271.48 : 156,446.37 = 48,138.48 : x
  2. Step 2: Convert to fraction form
    104,271.48/156,446.37 = 48,138.48/x
  3. Step 3: Cross multiply
    104,271.48x = 156,446.37 × 48,138.48
  4. Step 4: Simplify right side
    104,271.48x = 7,531,090,453.32
  5. Step 5: Solve for x
    x = 7,531,090,453.32/104,271.48
  6. Step 6: Final answer
    x = 72,225.79

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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.