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Finding the Fourth Proportional to 178,166.99, 245,874.42 and 101,684.57

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Solution

The fourth proportional to 178,166.99, 245,874.42 and 101,684.57 is: 140,326.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,166.99 : 245,874.42 = 101,684.57 : x
  2. Step 2: Convert to fraction form
    178,166.99/245,874.42 = 101,684.57/x
  3. Step 3: Cross multiply
    178,166.99x = 245,874.42 × 101,684.57
  4. Step 4: Simplify right side
    178,166.99x = 25,001,633,442.33
  5. Step 5: Solve for x
    x = 25,001,633,442.33/178,166.99
  6. Step 6: Final answer
    x = 140,326.97

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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.