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Finding the Fourth Proportional to 108,692.89, 162,898.99 and 48,677.52

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Solution

The fourth proportional to 108,692.89, 162,898.99 and 48,677.52 is: 72,953.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,692.89 : 162,898.99 = 48,677.52 : x
  2. Step 2: Convert to fraction form
    108,692.89/162,898.99 = 48,677.52/x
  3. Step 3: Cross multiply
    108,692.89x = 162,898.99 × 48,677.52
  4. Step 4: Simplify right side
    108,692.89x = 7,929,518,843.70
  5. Step 5: Solve for x
    x = 7,929,518,843.70/108,692.89
  6. Step 6: Final answer
    x = 72,953.43

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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.