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Finding the Fourth Proportional to 133,783.92, 184,614.12 and 73,342.80

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Solution

The fourth proportional to 133,783.92, 184,614.12 and 73,342.80 is: 101,208.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,783.92 : 184,614.12 = 73,342.80 : x
  2. Step 2: Convert to fraction form
    133,783.92/184,614.12 = 73,342.80/x
  3. Step 3: Cross multiply
    133,783.92x = 184,614.12 × 73,342.80
  4. Step 4: Simplify right side
    133,783.92x = 13,540,116,480.34
  5. Step 5: Solve for x
    x = 13,540,116,480.34/133,783.92
  6. Step 6: Final answer
    x = 101,208.85

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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.