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Finding the Fourth Proportional to 108,604.33, 149,871.54 and 63,279.48

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Solution

The fourth proportional to 108,604.33, 149,871.54 and 63,279.48 is: 87,324.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,604.33 : 149,871.54 = 63,279.48 : x
  2. Step 2: Convert to fraction form
    108,604.33/149,871.54 = 63,279.48/x
  3. Step 3: Cross multiply
    108,604.33x = 149,871.54 × 63,279.48
  4. Step 4: Simplify right side
    108,604.33x = 9,483,793,118.00
  5. Step 5: Solve for x
    x = 9,483,793,118.00/108,604.33
  6. Step 6: Final answer
    x = 87,324.26

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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.