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Finding the Fourth Proportional to 185,451.54, 277,986.52 and 84,319.94

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Solution

The fourth proportional to 185,451.54, 277,986.52 and 84,319.94 is: 126,393.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,451.54 : 277,986.52 = 84,319.94 : x
  2. Step 2: Convert to fraction form
    185,451.54/277,986.52 = 84,319.94/x
  3. Step 3: Cross multiply
    185,451.54x = 277,986.52 × 84,319.94
  4. Step 4: Simplify right side
    185,451.54x = 23,439,805,449.60
  5. Step 5: Solve for x
    x = 23,439,805,449.60/185,451.54
  6. Step 6: Final answer
    x = 126,393.15

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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.