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Finding the Fourth Proportional to 104,472.98, 156,735.97 and 48,353.50

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Solution

The fourth proportional to 104,472.98, 156,735.97 and 48,353.50 is: 72,542.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,472.98 : 156,735.97 = 48,353.50 : x
  2. Step 2: Convert to fraction form
    104,472.98/156,735.97 = 48,353.50/x
  3. Step 3: Cross multiply
    104,472.98x = 156,735.97 × 48,353.50
  4. Step 4: Simplify right side
    104,472.98x = 7,578,731,941.72
  5. Step 5: Solve for x
    x = 7,578,731,941.72/104,472.98
  6. Step 6: Final answer
    x = 72,542.51

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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.