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Finding the Fourth Proportional to 161,609.56, 223,027.77 and 89,985.04

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Solution

The fourth proportional to 161,609.56, 223,027.77 and 89,985.04 is: 124,183.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,609.56 : 223,027.77 = 89,985.04 : x
  2. Step 2: Convert to fraction form
    161,609.56/223,027.77 = 89,985.04/x
  3. Step 3: Cross multiply
    161,609.56x = 223,027.77 × 89,985.04
  4. Step 4: Simplify right side
    161,609.56x = 20,069,162,804.56
  5. Step 5: Solve for x
    x = 20,069,162,804.56/161,609.56
  6. Step 6: Final answer
    x = 124,183.02

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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.