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Finding the Fourth Proportional to 161,863.58, 223,512.78 and 101,537.92

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Solution

The fourth proportional to 161,863.58, 223,512.78 and 101,537.92 is: 140,210.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,863.58 : 223,512.78 = 101,537.92 : x
  2. Step 2: Convert to fraction form
    161,863.58/223,512.78 = 101,537.92/x
  3. Step 3: Cross multiply
    161,863.58x = 223,512.78 × 101,537.92
  4. Step 4: Simplify right side
    161,863.58x = 22,695,022,774.62
  5. Step 5: Solve for x
    x = 22,695,022,774.62/161,863.58
  6. Step 6: Final answer
    x = 140,210.80

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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.