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Finding the Fourth Proportional to 108,233.98, 149,362.44 and 60,487.30

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Solution

The fourth proportional to 108,233.98, 149,362.44 and 60,487.30 is: 83,472.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,233.98 : 149,362.44 = 60,487.30 : x
  2. Step 2: Convert to fraction form
    108,233.98/149,362.44 = 60,487.30/x
  3. Step 3: Cross multiply
    108,233.98x = 149,362.44 × 60,487.30
  4. Step 4: Simplify right side
    108,233.98x = 9,034,530,717.01
  5. Step 5: Solve for x
    x = 9,034,530,717.01/108,233.98
  6. Step 6: Final answer
    x = 83,472.22

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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.