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Finding the Fourth Proportional to 259,493.88, 358,101.90 and 140,261.88

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Solution

The fourth proportional to 259,493.88, 358,101.90 and 140,261.88 is: 193,561.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,493.88 : 358,101.90 = 140,261.88 : x
  2. Step 2: Convert to fraction form
    259,493.88/358,101.90 = 140,261.88/x
  3. Step 3: Cross multiply
    259,493.88x = 358,101.90 × 140,261.88
  4. Step 4: Simplify right side
    259,493.88x = 50,228,045,725.57
  5. Step 5: Solve for x
    x = 50,228,045,725.57/259,493.88
  6. Step 6: Final answer
    x = 193,561.58

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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.