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Finding the Fourth Proportional to 95,463.75, 143,159.61 and 76,697.67

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Solution

The fourth proportional to 95,463.75, 143,159.61 and 76,697.67 is: 115,017.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,463.75 : 143,159.61 = 76,697.67 : x
  2. Step 2: Convert to fraction form
    95,463.75/143,159.61 = 76,697.67/x
  3. Step 3: Cross multiply
    95,463.75x = 143,159.61 × 76,697.67
  4. Step 4: Simplify right side
    95,463.75x = 10,980,008,525.11
  5. Step 5: Solve for x
    x = 10,980,008,525.11/95,463.75
  6. Step 6: Final answer
    x = 115,017.57

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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.