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Finding the Fourth Proportional to 251,203.96, 346,665.39 and 136,484.86

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Solution

The fourth proportional to 251,203.96, 346,665.39 and 136,484.86 is: 188,351.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,203.96 : 346,665.39 = 136,484.86 : x
  2. Step 2: Convert to fraction form
    251,203.96/346,665.39 = 136,484.86/x
  3. Step 3: Cross multiply
    251,203.96x = 346,665.39 × 136,484.86
  4. Step 4: Simplify right side
    251,203.96x = 47,314,577,221.00
  5. Step 5: Solve for x
    x = 47,314,577,221.00/251,203.96
  6. Step 6: Final answer
    x = 188,351.24

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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.