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Finding the Fourth Proportional to 133,470.18, 184,188.80 and 73,040.82

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Solution

The fourth proportional to 133,470.18, 184,188.80 and 73,040.82 is: 100,796.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,470.18 : 184,188.80 = 73,040.82 : x
  2. Step 2: Convert to fraction form
    133,470.18/184,188.80 = 73,040.82/x
  3. Step 3: Cross multiply
    133,470.18x = 184,188.80 × 73,040.82
  4. Step 4: Simplify right side
    133,470.18x = 13,453,300,621.61
  5. Step 5: Solve for x
    x = 13,453,300,621.61/133,470.18
  6. Step 6: Final answer
    x = 100,796.30

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Why These Related Problems?

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