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Finding the Fourth Proportional to 95,662.78, 143,509.86 and 29,087.46

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Solution

The fourth proportional to 95,662.78, 143,509.86 and 29,087.46 is: 43,635.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,662.78 : 143,509.86 = 29,087.46 : x
  2. Step 2: Convert to fraction form
    95,662.78/143,509.86 = 29,087.46/x
  3. Step 3: Cross multiply
    95,662.78x = 143,509.86 × 29,087.46
  4. Step 4: Simplify right side
    95,662.78x = 4,174,337,312.36
  5. Step 5: Solve for x
    x = 4,174,337,312.36/95,662.78
  6. Step 6: Final answer
    x = 43,635.96

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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.