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Finding the Fourth Proportional to 108,611.91, 149,876.84 and 60,213.39

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Solution

The fourth proportional to 108,611.91, 149,876.84 and 60,213.39 is: 83,090.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,611.91 : 149,876.84 = 60,213.39 : x
  2. Step 2: Convert to fraction form
    108,611.91/149,876.84 = 60,213.39/x
  3. Step 3: Cross multiply
    108,611.91x = 149,876.84 × 60,213.39
  4. Step 4: Simplify right side
    108,611.91x = 9,024,592,317.82
  5. Step 5: Solve for x
    x = 9,024,592,317.82/108,611.91
  6. Step 6: Final answer
    x = 83,090.26

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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.