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Finding the Fourth Proportional to 293,957.76, 405,649.94 and 173,104.14

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Solution

The fourth proportional to 293,957.76, 405,649.94 and 173,104.14 is: 238,876.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,957.76 : 405,649.94 = 173,104.14 : x
  2. Step 2: Convert to fraction form
    293,957.76/405,649.94 = 173,104.14/x
  3. Step 3: Cross multiply
    293,957.76x = 405,649.94 × 173,104.14
  4. Step 4: Simplify right side
    293,957.76x = 70,219,684,004.75
  5. Step 5: Solve for x
    x = 70,219,684,004.75/293,957.76
  6. Step 6: Final answer
    x = 238,876.78

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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.