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Finding the Fourth Proportional to 92,750.56, 127,993.20 and 55,024

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Solution

The fourth proportional to 92,750.56, 127,993.20 and 55,024 is: 75,931.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,750.56 : 127,993.20 = 55,024 : x
  2. Step 2: Convert to fraction form
    92,750.56/127,993.20 = 55,024/x
  3. Step 3: Cross multiply
    92,750.56x = 127,993.20 × 55,024
  4. Step 4: Simplify right side
    92,750.56x = 7,042,697,836.80
  5. Step 5: Solve for x
    x = 7,042,697,836.80/92,750.56
  6. Step 6: Final answer
    x = 75,931.59

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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.