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Finding the Fourth Proportional to 104,166.58, 156,040.88 and 47,928.34

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Solution

The fourth proportional to 104,166.58, 156,040.88 and 47,928.34 is: 71,796.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,166.58 : 156,040.88 = 47,928.34 : x
  2. Step 2: Convert to fraction form
    104,166.58/156,040.88 = 47,928.34/x
  3. Step 3: Cross multiply
    104,166.58x = 156,040.88 × 47,928.34
  4. Step 4: Simplify right side
    104,166.58x = 7,478,780,350.54
  5. Step 5: Solve for x
    x = 7,478,780,350.54/104,166.58
  6. Step 6: Final answer
    x = 71,796.35

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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.