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Finding the Fourth Proportional to 104,013, 156,045.42 and 30,141

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Solution

The fourth proportional to 104,013, 156,045.42 and 30,141 is: 45,219.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,013 : 156,045.42 = 30,141 : x
  2. Step 2: Convert to fraction form
    104,013/156,045.42 = 30,141/x
  3. Step 3: Cross multiply
    104,013x = 156,045.42 × 30,141
  4. Step 4: Simplify right side
    104,013x = 4,703,365,004.22
  5. Step 5: Solve for x
    x = 4,703,365,004.22/104,013
  6. Step 6: Final answer
    x = 45,219.01

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.