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Finding the Fourth Proportional to 64,096.73, 88,378.44 and 43,690.87

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Solution

The fourth proportional to 64,096.73, 88,378.44 and 43,690.87 is: 60,242.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,096.73 : 88,378.44 = 43,690.87 : x
  2. Step 2: Convert to fraction form
    64,096.73/88,378.44 = 43,690.87/x
  3. Step 3: Cross multiply
    64,096.73x = 88,378.44 × 43,690.87
  4. Step 4: Simplify right side
    64,096.73x = 3,861,330,490.95
  5. Step 5: Solve for x
    x = 3,861,330,490.95/64,096.73
  6. Step 6: Final answer
    x = 60,242.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.