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Finding the Fourth Proportional to 101,609.04, 140,200.56 and 63,861.48

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Solution

The fourth proportional to 101,609.04, 140,200.56 and 63,861.48 is: 88,116.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,609.04 : 140,200.56 = 63,861.48 : x
  2. Step 2: Convert to fraction form
    101,609.04/140,200.56 = 63,861.48/x
  3. Step 3: Cross multiply
    101,609.04x = 140,200.56 × 63,861.48
  4. Step 4: Simplify right side
    101,609.04x = 8,953,415,258.43
  5. Step 5: Solve for x
    x = 8,953,415,258.43/101,609.04
  6. Step 6: Final answer
    x = 88,116.33

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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.