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Finding the Fourth Proportional to 104,380.48, 156,484.96 and 48,208.64

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Solution

The fourth proportional to 104,380.48, 156,484.96 and 48,208.64 is: 72,273.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,380.48 : 156,484.96 = 48,208.64 : x
  2. Step 2: Convert to fraction form
    104,380.48/156,484.96 = 48,208.64/x
  3. Step 3: Cross multiply
    104,380.48x = 156,484.96 × 48,208.64
  4. Step 4: Simplify right side
    104,380.48x = 7,543,927,102.05
  5. Step 5: Solve for x
    x = 7,543,927,102.05/104,380.48
  6. Step 6: Final answer
    x = 72,273.35

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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.