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Finding the Fourth Proportional to 108,588.60, 162,834.30 and 49,393.80

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Solution

The fourth proportional to 108,588.60, 162,834.30 and 49,393.80 is: 74,068.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,588.60 : 162,834.30 = 49,393.80 : x
  2. Step 2: Convert to fraction form
    108,588.60/162,834.30 = 49,393.80/x
  3. Step 3: Cross multiply
    108,588.60x = 162,834.30 × 49,393.80
  4. Step 4: Simplify right side
    108,588.60x = 8,043,004,847.34
  5. Step 5: Solve for x
    x = 8,043,004,847.34/108,588.60
  6. Step 6: Final answer
    x = 74,068.59

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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.