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Finding the Fourth Proportional to 253,686.16, 350,106.84 and 140,519.44

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Solution

The fourth proportional to 253,686.16, 350,106.84 and 140,519.44 is: 193,927.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,686.16 : 350,106.84 = 140,519.44 : x
  2. Step 2: Convert to fraction form
    253,686.16/350,106.84 = 140,519.44/x
  3. Step 3: Cross multiply
    253,686.16x = 350,106.84 × 140,519.44
  4. Step 4: Simplify right side
    253,686.16x = 49,196,817,096.97
  5. Step 5: Solve for x
    x = 49,196,817,096.97/253,686.16
  6. Step 6: Final answer
    x = 193,927.87

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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.