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Finding the Fourth Proportional to 63,173.85, 94,759.88 and 18,800.84

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Solution

The fourth proportional to 63,173.85, 94,759.88 and 18,800.84 is: 28,200.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,173.85 : 94,759.88 = 18,800.84 : x
  2. Step 2: Convert to fraction form
    63,173.85/94,759.88 = 18,800.84/x
  3. Step 3: Cross multiply
    63,173.85x = 94,759.88 × 18,800.84
  4. Step 4: Simplify right side
    63,173.85x = 1,781,564,774.50
  5. Step 5: Solve for x
    x = 1,781,564,774.50/63,173.85
  6. Step 6: Final answer
    x = 28,200.98

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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.