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Finding the Fourth Proportional to 95,311.93, 142,968.93 and 28,752.64

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Solution

The fourth proportional to 95,311.93, 142,968.93 and 28,752.64 is: 43,129.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,311.93 : 142,968.93 = 28,752.64 : x
  2. Step 2: Convert to fraction form
    95,311.93/142,968.93 = 28,752.64/x
  3. Step 3: Cross multiply
    95,311.93x = 142,968.93 × 28,752.64
  4. Step 4: Simplify right side
    95,311.93x = 4,110,734,175.48
  5. Step 5: Solve for x
    x = 4,110,734,175.48/95,311.93
  6. Step 6: Final answer
    x = 43,129.27

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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.