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Finding the Fourth Proportional to 185,317.56, 277,921.81 and 84,057.03

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Solution

The fourth proportional to 185,317.56, 277,921.81 and 84,057.03 is: 126,060.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,317.56 : 277,921.81 = 84,057.03 : x
  2. Step 2: Convert to fraction form
    185,317.56/277,921.81 = 84,057.03/x
  3. Step 3: Cross multiply
    185,317.56x = 277,921.81 × 84,057.03
  4. Step 4: Simplify right side
    185,317.56x = 23,361,281,920.82
  5. Step 5: Solve for x
    x = 23,361,281,920.82/185,317.56
  6. Step 6: Final answer
    x = 126,060.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.