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Finding the Fourth Proportional to 101,616.54, 140,299.26 and 63,434.22

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Solution

The fourth proportional to 101,616.54, 140,299.26 and 63,434.22 is: 87,581.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,616.54 : 140,299.26 = 63,434.22 : x
  2. Step 2: Convert to fraction form
    101,616.54/140,299.26 = 63,434.22/x
  3. Step 3: Cross multiply
    101,616.54x = 140,299.26 × 63,434.22
  4. Step 4: Simplify right side
    101,616.54x = 8,899,774,124.68
  5. Step 5: Solve for x
    x = 8,899,774,124.68/101,616.54
  6. Step 6: Final answer
    x = 87,581.94

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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.