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Finding the Fourth Proportional to 253,676.08, 350,072.22 and 140,498.80

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Solution

The fourth proportional to 253,676.08, 350,072.22 and 140,498.80 is: 193,887.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,676.08 : 350,072.22 = 140,498.80 : x
  2. Step 2: Convert to fraction form
    253,676.08/350,072.22 = 140,498.80/x
  3. Step 3: Cross multiply
    253,676.08x = 350,072.22 × 140,498.80
  4. Step 4: Simplify right side
    253,676.08x = 49,184,726,823.34
  5. Step 5: Solve for x
    x = 49,184,726,823.34/253,676.08
  6. Step 6: Final answer
    x = 193,887.92

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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.