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Finding the Fourth Proportional to 104,353.47, 156,511.98 and 48,188.79

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Solution

The fourth proportional to 104,353.47, 156,511.98 and 48,188.79 is: 72,274.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,353.47 : 156,511.98 = 48,188.79 : x
  2. Step 2: Convert to fraction form
    104,353.47/156,511.98 = 48,188.79/x
  3. Step 3: Cross multiply
    104,353.47x = 156,511.98 × 48,188.79
  4. Step 4: Simplify right side
    104,353.47x = 7,542,122,936.70
  5. Step 5: Solve for x
    x = 7,542,122,936.70/104,353.47
  6. Step 6: Final answer
    x = 72,274.77

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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.