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Finding the Fourth Proportional to 133,997.91, 185,003.64 and 83,064.81

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Solution

The fourth proportional to 133,997.91, 185,003.64 and 83,064.81 is: 114,683.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,997.91 : 185,003.64 = 83,064.81 : x
  2. Step 2: Convert to fraction form
    133,997.91/185,003.64 = 83,064.81/x
  3. Step 3: Cross multiply
    133,997.91x = 185,003.64 × 83,064.81
  4. Step 4: Simplify right side
    133,997.91x = 15,367,292,205.91
  5. Step 5: Solve for x
    x = 15,367,292,205.91/133,997.91
  6. Step 6: Final answer
    x = 114,683.07

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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.