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Finding the Fourth Proportional to 133,764.70, 184,598.80 and 75,616.80

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Solution

The fourth proportional to 133,764.70, 184,598.80 and 75,616.80 is: 104,353.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,764.70 : 184,598.80 = 75,616.80 : x
  2. Step 2: Convert to fraction form
    133,764.70/184,598.80 = 75,616.80/x
  3. Step 3: Cross multiply
    133,764.70x = 184,598.80 × 75,616.80
  4. Step 4: Simplify right side
    133,764.70x = 13,958,770,539.84
  5. Step 5: Solve for x
    x = 13,958,770,539.84/133,764.70
  6. Step 6: Final answer
    x = 104,353.17

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1.5x scale

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.