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Finding the Fourth Proportional to 276,052.75, 414,079.37 and 86,527.93

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Solution

The fourth proportional to 276,052.75, 414,079.37 and 86,527.93 is: 129,791.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,052.75 : 414,079.37 = 86,527.93 : x
  2. Step 2: Convert to fraction form
    276,052.75/414,079.37 = 86,527.93/x
  3. Step 3: Cross multiply
    276,052.75x = 414,079.37 × 86,527.93
  4. Step 4: Simplify right side
    276,052.75x = 35,829,430,741.80
  5. Step 5: Solve for x
    x = 35,829,430,741.80/276,052.75
  6. Step 6: Final answer
    x = 129,791.97

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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.