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Finding the Fourth Proportional to 148,562.97, 222,745.96 and 48,688.21

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Solution

The fourth proportional to 148,562.97, 222,745.96 and 48,688.21 is: 73,000.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,562.97 : 222,745.96 = 48,688.21 : x
  2. Step 2: Convert to fraction form
    148,562.97/222,745.96 = 48,688.21/x
  3. Step 3: Cross multiply
    148,562.97x = 222,745.96 × 48,688.21
  4. Step 4: Simplify right side
    148,562.97x = 10,845,102,077.13
  5. Step 5: Solve for x
    x = 10,845,102,077.13/148,562.97
  6. Step 6: Final answer
    x = 73,000.04

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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.