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Finding the Fourth Proportional to 108,773.30, 150,104.85 and 61,038.26

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Solution

The fourth proportional to 108,773.30, 150,104.85 and 61,038.26 is: 84,231.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,773.30 : 150,104.85 = 61,038.26 : x
  2. Step 2: Convert to fraction form
    108,773.30/150,104.85 = 61,038.26/x
  3. Step 3: Cross multiply
    108,773.30x = 150,104.85 × 61,038.26
  4. Step 4: Simplify right side
    108,773.30x = 9,162,138,861.56
  5. Step 5: Solve for x
    x = 9,162,138,861.56/108,773.30
  6. Step 6: Final answer
    x = 84,231.51

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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.