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Finding the Fourth Proportional to 169,857.58, 234,406.44 and 93,379.89

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Solution

The fourth proportional to 169,857.58, 234,406.44 and 93,379.89 is: 128,865.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,857.58 : 234,406.44 = 93,379.89 : x
  2. Step 2: Convert to fraction form
    169,857.58/234,406.44 = 93,379.89/x
  3. Step 3: Cross multiply
    169,857.58x = 234,406.44 × 93,379.89
  4. Step 4: Simplify right side
    169,857.58x = 21,888,847,582.49
  5. Step 5: Solve for x
    x = 21,888,847,582.49/169,857.58
  6. Step 6: Final answer
    x = 128,865.89

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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.