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Finding the Fourth Proportional to 169,994.85, 254,992.28 and 102,343.65

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Solution

The fourth proportional to 169,994.85, 254,992.28 and 102,343.65 is: 153,515.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,994.85 : 254,992.28 = 102,343.65 : x
  2. Step 2: Convert to fraction form
    169,994.85/254,992.28 = 102,343.65/x
  3. Step 3: Cross multiply
    169,994.85x = 254,992.28 × 102,343.65
  4. Step 4: Simplify right side
    169,994.85x = 26,096,840,145.30
  5. Step 5: Solve for x
    x = 26,096,840,145.30/169,994.85
  6. Step 6: Final answer
    x = 153,515.48

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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.