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Finding the Fourth Proportional to 168,489, 232,540.74 and 101,459.88

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Solution

The fourth proportional to 168,489, 232,540.74 and 101,459.88 is: 140,030.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,489 : 232,540.74 = 101,459.88 : x
  2. Step 2: Convert to fraction form
    168,489/232,540.74 = 101,459.88/x
  3. Step 3: Cross multiply
    168,489x = 232,540.74 × 101,459.88
  4. Step 4: Simplify right side
    168,489x = 23,593,555,575.51
  5. Step 5: Solve for x
    x = 23,593,555,575.51/168,489
  6. Step 6: Final answer
    x = 140,030.24

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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.