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Finding the Fourth Proportional to 301,179.93, 415,624.43 and 172,116.93

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Solution

The fourth proportional to 301,179.93, 415,624.43 and 172,116.93 is: 237,519.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,179.93 : 415,624.43 = 172,116.93 : x
  2. Step 2: Convert to fraction form
    301,179.93/415,624.43 = 172,116.93/x
  3. Step 3: Cross multiply
    301,179.93x = 415,624.43 × 172,116.93
  4. Step 4: Simplify right side
    301,179.93x = 71,536,001,310.66
  5. Step 5: Solve for x
    x = 71,536,001,310.66/301,179.93
  6. Step 6: Final answer
    x = 237,519.15

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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.