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Finding the Fourth Proportional to 187,852.80, 282,029.40 and 109,023.60

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Solution

The fourth proportional to 187,852.80, 282,029.40 and 109,023.60 is: 163,680.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,852.80 : 282,029.40 = 109,023.60 : x
  2. Step 2: Convert to fraction form
    187,852.80/282,029.40 = 109,023.60/x
  3. Step 3: Cross multiply
    187,852.80x = 282,029.40 × 109,023.60
  4. Step 4: Simplify right side
    187,852.80x = 30,747,860,493.84
  5. Step 5: Solve for x
    x = 30,747,860,493.84/187,852.80
  6. Step 6: Final answer
    x = 163,680.61

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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.