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Finding the Fourth Proportional to 251,193.01, 346,650.28 and 136,473.92

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Solution

The fourth proportional to 251,193.01, 346,650.28 and 136,473.92 is: 188,336.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,193.01 : 346,650.28 = 136,473.92 : x
  2. Step 2: Convert to fraction form
    251,193.01/346,650.28 = 136,473.92/x
  3. Step 3: Cross multiply
    251,193.01x = 346,650.28 × 136,473.92
  4. Step 4: Simplify right side
    251,193.01x = 47,308,723,548.82
  5. Step 5: Solve for x
    x = 47,308,723,548.82/251,193.01
  6. Step 6: Final answer
    x = 188,336.15

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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.