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Finding the Fourth Proportional to 95,310.33, 142,872.54 and 45,377

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Solution

The fourth proportional to 95,310.33, 142,872.54 and 45,377 is: 68,021.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,310.33 : 142,872.54 = 45,377 : x
  2. Step 2: Convert to fraction form
    95,310.33/142,872.54 = 45,377/x
  3. Step 3: Cross multiply
    95,310.33x = 142,872.54 × 45,377
  4. Step 4: Simplify right side
    95,310.33x = 6,483,127,247.58
  5. Step 5: Solve for x
    x = 6,483,127,247.58/95,310.33
  6. Step 6: Final answer
    x = 68,021.24

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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.