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Finding the Fourth Proportional to 169,369.82, 254,153.11 and 75,875.57

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Solution

The fourth proportional to 169,369.82, 254,153.11 and 75,875.57 is: 113,857.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,369.82 : 254,153.11 = 75,875.57 : x
  2. Step 2: Convert to fraction form
    169,369.82/254,153.11 = 75,875.57/x
  3. Step 3: Cross multiply
    169,369.82x = 254,153.11 × 75,875.57
  4. Step 4: Simplify right side
    169,369.82x = 19,284,010,817.76
  5. Step 5: Solve for x
    x = 19,284,010,817.76/169,369.82
  6. Step 6: Final answer
    x = 113,857.42

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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.