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Finding the Fourth Proportional to 568,121.64, 852,036.65 and 168,669.73

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Solution

The fourth proportional to 568,121.64, 852,036.65 and 168,669.73 is: 252,961.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,121.64 : 852,036.65 = 168,669.73 : x
  2. Step 2: Convert to fraction form
    568,121.64/852,036.65 = 168,669.73/x
  3. Step 3: Cross multiply
    568,121.64x = 852,036.65 × 168,669.73
  4. Step 4: Simplify right side
    568,121.64x = 143,712,791,705.61
  5. Step 5: Solve for x
    x = 143,712,791,705.61/568,121.64
  6. Step 6: Final answer
    x = 252,961.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.