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Finding the Fourth Proportional to 95,470.76, 143,246.64 and 51,086

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Solution

The fourth proportional to 95,470.76, 143,246.64 and 51,086 is: 76,650.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,470.76 : 143,246.64 = 51,086 : x
  2. Step 2: Convert to fraction form
    95,470.76/143,246.64 = 51,086/x
  3. Step 3: Cross multiply
    95,470.76x = 143,246.64 × 51,086
  4. Step 4: Simplify right side
    95,470.76x = 7,317,897,851.04
  5. Step 5: Solve for x
    x = 7,317,897,851.04/95,470.76
  6. Step 6: Final answer
    x = 76,650.67

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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.