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Finding the Fourth Proportional to 169,368.86, 233,729.03 and 93,917.36

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Solution

The fourth proportional to 169,368.86, 233,729.03 and 93,917.36 is: 129,605.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,368.86 : 233,729.03 = 93,917.36 : x
  2. Step 2: Convert to fraction form
    169,368.86/233,729.03 = 93,917.36/x
  3. Step 3: Cross multiply
    169,368.86x = 233,729.03 × 93,917.36
  4. Step 4: Simplify right side
    169,368.86x = 21,951,214,699.44
  5. Step 5: Solve for x
    x = 21,951,214,699.44/169,368.86
  6. Step 6: Final answer
    x = 129,605.96

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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.