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Finding the Fourth Proportional to 104,770.56, 156,905.71 and 60,303.84

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Solution

The fourth proportional to 104,770.56, 156,905.71 and 60,303.84 is: 90,311.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,770.56 : 156,905.71 = 60,303.84 : x
  2. Step 2: Convert to fraction form
    104,770.56/156,905.71 = 60,303.84/x
  3. Step 3: Cross multiply
    104,770.56x = 156,905.71 × 60,303.84
  4. Step 4: Simplify right side
    104,770.56x = 9,462,016,974.37
  5. Step 5: Solve for x
    x = 9,462,016,974.37/104,770.56
  6. Step 6: Final answer
    x = 90,311.79

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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.