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Finding the Fourth Proportional to 95,423.84, 143,166 and 74,435.84

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Solution

The fourth proportional to 95,423.84, 143,166 and 74,435.84 is: 111,677.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,423.84 : 143,166 = 74,435.84 : x
  2. Step 2: Convert to fraction form
    95,423.84/143,166 = 74,435.84/x
  3. Step 3: Cross multiply
    95,423.84x = 143,166 × 74,435.84
  4. Step 4: Simplify right side
    95,423.84x = 10,656,681,469.44
  5. Step 5: Solve for x
    x = 10,656,681,469.44/95,423.84
  6. Step 6: Final answer
    x = 111,677.35

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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.