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Finding the Fourth Proportional to 108,691.04, 149,991.73 and 60,944.24

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Solution

The fourth proportional to 108,691.04, 149,991.73 and 60,944.24 is: 84,101.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,691.04 : 149,991.73 = 60,944.24 : x
  2. Step 2: Convert to fraction form
    108,691.04/149,991.73 = 60,944.24/x
  3. Step 3: Cross multiply
    108,691.04x = 149,991.73 × 60,944.24
  4. Step 4: Simplify right side
    108,691.04x = 9,141,131,991.14
  5. Step 5: Solve for x
    x = 9,141,131,991.14/108,691.04
  6. Step 6: Final answer
    x = 84,101.98

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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.