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Finding the Fourth Proportional to 230,997.82, 318,773.58 and 129,024.77

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Solution

The fourth proportional to 230,997.82, 318,773.58 and 129,024.77 is: 178,052.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,997.82 : 318,773.58 = 129,024.77 : x
  2. Step 2: Convert to fraction form
    230,997.82/318,773.58 = 129,024.77/x
  3. Step 3: Cross multiply
    230,997.82x = 318,773.58 × 129,024.77
  4. Step 4: Simplify right side
    230,997.82x = 41,129,686,247.71
  5. Step 5: Solve for x
    x = 41,129,686,247.71/230,997.82
  6. Step 6: Final answer
    x = 178,052.27

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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.