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Finding the Fourth Proportional to 133,980.93, 184,908.41 and 76,625.60

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Solution

The fourth proportional to 133,980.93, 184,908.41 and 76,625.60 is: 105,751.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,980.93 : 184,908.41 = 76,625.60 : x
  2. Step 2: Convert to fraction form
    133,980.93/184,908.41 = 76,625.60/x
  3. Step 3: Cross multiply
    133,980.93x = 184,908.41 × 76,625.60
  4. Step 4: Simplify right side
    133,980.93x = 14,168,717,861.30
  5. Step 5: Solve for x
    x = 14,168,717,861.30/133,980.93
  6. Step 6: Final answer
    x = 105,751.75

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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.