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Finding the Fourth Proportional to 95,812.78, 143,712.87 and 35,829.58

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Solution

The fourth proportional to 95,812.78, 143,712.87 and 35,829.58 is: 53,742.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,812.78 : 143,712.87 = 35,829.58 : x
  2. Step 2: Convert to fraction form
    95,812.78/143,712.87 = 35,829.58/x
  3. Step 3: Cross multiply
    95,812.78x = 143,712.87 × 35,829.58
  4. Step 4: Simplify right side
    95,812.78x = 5,149,171,772.69
  5. Step 5: Solve for x
    x = 5,149,171,772.69/95,812.78
  6. Step 6: Final answer
    x = 53,742.01

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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.