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Finding the Fourth Proportional to 259,908.48, 358,674.24 and 140,676.48

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Solution

The fourth proportional to 259,908.48, 358,674.24 and 140,676.48 is: 194,133.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,908.48 : 358,674.24 = 140,676.48 : x
  2. Step 2: Convert to fraction form
    259,908.48/358,674.24 = 140,676.48/x
  3. Step 3: Cross multiply
    259,908.48x = 358,674.24 × 140,676.48
  4. Step 4: Simplify right side
    259,908.48x = 50,457,029,549.88
  5. Step 5: Solve for x
    x = 50,457,029,549.88/259,908.48
  6. Step 6: Final answer
    x = 194,133.83

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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.