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Finding the Fourth Proportional to 133,612.80, 184,384.50 and 73,182.24

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Solution

The fourth proportional to 133,612.80, 184,384.50 and 73,182.24 is: 100,990.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,612.80 : 184,384.50 = 73,182.24 : x
  2. Step 2: Convert to fraction form
    133,612.80/184,384.50 = 73,182.24/x
  3. Step 3: Cross multiply
    133,612.80x = 184,384.50 × 73,182.24
  4. Step 4: Simplify right side
    133,612.80x = 13,493,670,731.28
  5. Step 5: Solve for x
    x = 13,493,670,731.28/133,612.80
  6. Step 6: Final answer
    x = 100,990.85

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.