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Finding the Fourth Proportional to 95,474.76, 143,252.64 and 51,090

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Solution

The fourth proportional to 95,474.76, 143,252.64 and 51,090 is: 76,656.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,474.76 : 143,252.64 = 51,090 : x
  2. Step 2: Convert to fraction form
    95,474.76/143,252.64 = 51,090/x
  3. Step 3: Cross multiply
    95,474.76x = 143,252.64 × 51,090
  4. Step 4: Simplify right side
    95,474.76x = 7,318,777,377.60
  5. Step 5: Solve for x
    x = 7,318,777,377.60/95,474.76
  6. Step 6: Final answer
    x = 76,656.67

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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.