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Finding the Fourth Proportional to 253,675.44, 350,052.84 and 140,495.76

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Solution

The fourth proportional to 253,675.44, 350,052.84 and 140,495.76 is: 193,873.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,675.44 : 350,052.84 = 140,495.76 : x
  2. Step 2: Convert to fraction form
    253,675.44/350,052.84 = 140,495.76/x
  3. Step 3: Cross multiply
    253,675.44x = 350,052.84 × 140,495.76
  4. Step 4: Simplify right side
    253,675.44x = 49,180,939,795.96
  5. Step 5: Solve for x
    x = 49,180,939,795.96/253,675.44
  6. Step 6: Final answer
    x = 193,873.48

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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.