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Finding the Fourth Proportional to 95,765.86, 143,600.73 and 55,797.76

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Solution

The fourth proportional to 95,765.86, 143,600.73 and 55,797.76 is: 83,668.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,765.86 : 143,600.73 = 55,797.76 : x
  2. Step 2: Convert to fraction form
    95,765.86/143,600.73 = 55,797.76/x
  3. Step 3: Cross multiply
    95,765.86x = 143,600.73 × 55,797.76
  4. Step 4: Simplify right side
    95,765.86x = 8,012,599,068.36
  5. Step 5: Solve for x
    x = 8,012,599,068.36/95,765.86
  6. Step 6: Final answer
    x = 83,668.64

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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.