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Finding the Fourth Proportional to 95,940.79, 143,911.54 and 29,380.66

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Solution

The fourth proportional to 95,940.79, 143,911.54 and 29,380.66 is: 44,071.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,940.79 : 143,911.54 = 29,380.66 : x
  2. Step 2: Convert to fraction form
    95,940.79/143,911.54 = 29,380.66/x
  3. Step 3: Cross multiply
    95,940.79x = 143,911.54 × 29,380.66
  4. Step 4: Simplify right side
    95,940.79x = 4,228,216,026.82
  5. Step 5: Solve for x
    x = 4,228,216,026.82/95,940.79
  6. Step 6: Final answer
    x = 44,071.10

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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.