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Finding the Fourth Proportional to 76,792.64, 115,204.64 and 43,527.56

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Solution

The fourth proportional to 76,792.64, 115,204.64 and 43,527.56 is: 65,300.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,792.64 : 115,204.64 = 43,527.56 : x
  2. Step 2: Convert to fraction form
    76,792.64/115,204.64 = 43,527.56/x
  3. Step 3: Cross multiply
    76,792.64x = 115,204.64 × 43,527.56
  4. Step 4: Simplify right side
    76,792.64x = 5,014,576,086.22
  5. Step 5: Solve for x
    x = 5,014,576,086.22/76,792.64
  6. Step 6: Final answer
    x = 65,300.22

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1.5x scale

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.