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Finding the Fourth Proportional to 253,695.25, 350,099.45 and 140,525.29

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Solution

The fourth proportional to 253,695.25, 350,099.45 and 140,525.29 is: 193,924.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,695.25 : 350,099.45 = 140,525.29 : x
  2. Step 2: Convert to fraction form
    253,695.25/350,099.45 = 140,525.29/x
  3. Step 3: Cross multiply
    253,695.25x = 350,099.45 × 140,525.29
  4. Step 4: Simplify right side
    253,695.25x = 49,197,826,740.09
  5. Step 5: Solve for x
    x = 49,197,826,740.09/253,695.25
  6. Step 6: Final answer
    x = 193,924.90

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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.