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Finding the Fourth Proportional to 76,350.89, 114,470.96 and 51,328.87

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Solution

The fourth proportional to 76,350.89, 114,470.96 and 51,328.87 is: 76,956.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,350.89 : 114,470.96 = 51,328.87 : x
  2. Step 2: Convert to fraction form
    76,350.89/114,470.96 = 51,328.87/x
  3. Step 3: Cross multiply
    76,350.89x = 114,470.96 × 51,328.87
  4. Step 4: Simplify right side
    76,350.89x = 5,875,664,452.26
  5. Step 5: Solve for x
    x = 5,875,664,452.26/76,350.89
  6. Step 6: Final answer
    x = 76,956.07

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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.