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Finding the Fourth Proportional to 76,695.90, 114,890.67 and 60,927.54

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Solution

The fourth proportional to 76,695.90, 114,890.67 and 60,927.54 is: 91,269.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,695.90 : 114,890.67 = 60,927.54 : x
  2. Step 2: Convert to fraction form
    76,695.90/114,890.67 = 60,927.54/x
  3. Step 3: Cross multiply
    76,695.90x = 114,890.67 × 60,927.54
  4. Step 4: Simplify right side
    76,695.90x = 7,000,005,892.05
  5. Step 5: Solve for x
    x = 7,000,005,892.05/76,695.90
  6. Step 6: Final answer
    x = 91,269.62

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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.