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Finding the Fourth Proportional to 185,179.34, 277,782.09 and 91,659.98

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Solution

The fourth proportional to 185,179.34, 277,782.09 and 91,659.98 is: 137,496.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,179.34 : 277,782.09 = 91,659.98 : x
  2. Step 2: Convert to fraction form
    185,179.34/277,782.09 = 91,659.98/x
  3. Step 3: Cross multiply
    185,179.34x = 277,782.09 × 91,659.98
  4. Step 4: Simplify right side
    185,179.34x = 25,461,500,813.76
  5. Step 5: Solve for x
    x = 25,461,500,813.76/185,179.34
  6. Step 6: Final answer
    x = 137,496.44

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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.