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Finding the Fourth Proportional to 133,649.01, 184,365.65 and 82,645.47

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Solution

The fourth proportional to 133,649.01, 184,365.65 and 82,645.47 is: 114,007.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,649.01 : 184,365.65 = 82,645.47 : x
  2. Step 2: Convert to fraction form
    133,649.01/184,365.65 = 82,645.47/x
  3. Step 3: Cross multiply
    133,649.01x = 184,365.65 × 82,645.47
  4. Step 4: Simplify right side
    133,649.01x = 15,236,985,382.88
  5. Step 5: Solve for x
    x = 15,236,985,382.88/133,649.01
  6. Step 6: Final answer
    x = 114,007.47

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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.