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Finding the Fourth Proportional to 161,659.12, 223,182.12 and 108,034.96

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Solution

The fourth proportional to 161,659.12, 223,182.12 and 108,034.96 is: 149,150.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,659.12 : 223,182.12 = 108,034.96 : x
  2. Step 2: Convert to fraction form
    161,659.12/223,182.12 = 108,034.96/x
  3. Step 3: Cross multiply
    161,659.12x = 223,182.12 × 108,034.96
  4. Step 4: Simplify right side
    161,659.12x = 24,111,471,406.92
  5. Step 5: Solve for x
    x = 24,111,471,406.92/161,659.12
  6. Step 6: Final answer
    x = 149,150.08

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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.