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Finding the Fourth Proportional to 104,611.02, 156,955.41 and 48,478.02

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Solution

The fourth proportional to 104,611.02, 156,955.41 and 48,478.02 is: 72,735.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,611.02 : 156,955.41 = 48,478.02 : x
  2. Step 2: Convert to fraction form
    104,611.02/156,955.41 = 48,478.02/x
  3. Step 3: Cross multiply
    104,611.02x = 156,955.41 × 48,478.02
  4. Step 4: Simplify right side
    104,611.02x = 7,608,887,505.09
  5. Step 5: Solve for x
    x = 7,608,887,505.09/104,611.02
  6. Step 6: Final answer
    x = 72,735.05

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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.