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Finding the Fourth Proportional to 95,432.76, 143,189.64 and 51,048

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Solution

The fourth proportional to 95,432.76, 143,189.64 and 51,048 is: 76,593.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,432.76 : 143,189.64 = 51,048 : x
  2. Step 2: Convert to fraction form
    95,432.76/143,189.64 = 51,048/x
  3. Step 3: Cross multiply
    95,432.76x = 143,189.64 × 51,048
  4. Step 4: Simplify right side
    95,432.76x = 7,309,544,742.72
  5. Step 5: Solve for x
    x = 7,309,544,742.72/95,432.76
  6. Step 6: Final answer
    x = 76,593.66

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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.