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Finding the Fourth Proportional to 95,351.77, 142,972.03 and 28,771.93

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Solution

The fourth proportional to 95,351.77, 142,972.03 and 28,771.93 is: 43,141.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,351.77 : 142,972.03 = 28,771.93 : x
  2. Step 2: Convert to fraction form
    95,351.77/142,972.03 = 28,771.93/x
  3. Step 3: Cross multiply
    95,351.77x = 142,972.03 × 28,771.93
  4. Step 4: Simplify right side
    95,351.77x = 4,113,581,239.12
  5. Step 5: Solve for x
    x = 4,113,581,239.12/95,351.77
  6. Step 6: Final answer
    x = 43,141.11

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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.