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Finding the Fourth Proportional to 259,908.88, 358,675.33 and 140,676.88

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Solution

The fourth proportional to 259,908.88, 358,675.33 and 140,676.88 is: 194,134.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,908.88 : 358,675.33 = 140,676.88 : x
  2. Step 2: Convert to fraction form
    259,908.88/358,675.33 = 140,676.88/x
  3. Step 3: Cross multiply
    259,908.88x = 358,675.33 × 140,676.88
  4. Step 4: Simplify right side
    259,908.88x = 50,457,326,357.37
  5. Step 5: Solve for x
    x = 50,457,326,357.37/259,908.88
  6. Step 6: Final answer
    x = 194,134.68

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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.