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Finding the Fourth Proportional to 95,355.89, 143,080.28 and 39,212.87

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Solution

The fourth proportional to 95,355.89, 143,080.28 and 39,212.87 is: 58,838.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,355.89 : 143,080.28 = 39,212.87 : x
  2. Step 2: Convert to fraction form
    95,355.89/143,080.28 = 39,212.87/x
  3. Step 3: Cross multiply
    95,355.89x = 143,080.28 × 39,212.87
  4. Step 4: Simplify right side
    95,355.89x = 5,610,587,507.74
  5. Step 5: Solve for x
    x = 5,610,587,507.74/95,355.89
  6. Step 6: Final answer
    x = 58,838.40

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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.