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Finding the Fourth Proportional to 185,132.88, 277,512.36 and 72,891.87

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Solution

The fourth proportional to 185,132.88, 277,512.36 and 72,891.87 is: 109,264.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,132.88 : 277,512.36 = 72,891.87 : x
  2. Step 2: Convert to fraction form
    185,132.88/277,512.36 = 72,891.87/x
  3. Step 3: Cross multiply
    185,132.88x = 277,512.36 × 72,891.87
  4. Step 4: Simplify right side
    185,132.88x = 20,228,394,868.51
  5. Step 5: Solve for x
    x = 20,228,394,868.51/185,132.88
  6. Step 6: Final answer
    x = 109,264.19

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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.