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Finding the Fourth Proportional to 108,056.70, 149,123.70 and 60,310.44

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Solution

The fourth proportional to 108,056.70, 149,123.70 and 60,310.44 is: 83,231.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,056.70 : 149,123.70 = 60,310.44 : x
  2. Step 2: Convert to fraction form
    108,056.70/149,123.70 = 60,310.44/x
  3. Step 3: Cross multiply
    108,056.70x = 149,123.70 × 60,310.44
  4. Step 4: Simplify right side
    108,056.70x = 8,993,715,961.43
  5. Step 5: Solve for x
    x = 8,993,715,961.43/108,056.70
  6. Step 6: Final answer
    x = 83,231.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.