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Finding the Fourth Proportional to 246,775.68, 340,525.17 and 143,393.76

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Solution

The fourth proportional to 246,775.68, 340,525.17 and 143,393.76 is: 197,868.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,775.68 : 340,525.17 = 143,393.76 : x
  2. Step 2: Convert to fraction form
    246,775.68/340,525.17 = 143,393.76/x
  3. Step 3: Cross multiply
    246,775.68x = 340,525.17 × 143,393.76
  4. Step 4: Simplify right side
    246,775.68x = 48,829,184,500.94
  5. Step 5: Solve for x
    x = 48,829,184,500.94/246,775.68
  6. Step 6: Final answer
    x = 197,868.71

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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.