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Finding the Fourth Proportional to 251,202.96, 346,664.01 and 136,483.86

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Solution

The fourth proportional to 251,202.96, 346,664.01 and 136,483.86 is: 188,349.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,202.96 : 346,664.01 = 136,483.86 : x
  2. Step 2: Convert to fraction form
    251,202.96/346,664.01 = 136,483.86/x
  3. Step 3: Cross multiply
    251,202.96x = 346,664.01 × 136,483.86
  4. Step 4: Simplify right side
    251,202.96x = 47,314,042,207.88
  5. Step 5: Solve for x
    x = 47,314,042,207.88/251,202.96
  6. Step 6: Final answer
    x = 188,349.86

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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.