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Finding the Fourth Proportional to 92,765.84, 127,997.16 and 55,052.24

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Solution

The fourth proportional to 92,765.84, 127,997.16 and 55,052.24 is: 75,960.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,765.84 : 127,997.16 = 55,052.24 : x
  2. Step 2: Convert to fraction form
    92,765.84/127,997.16 = 55,052.24/x
  3. Step 3: Cross multiply
    92,765.84x = 127,997.16 × 55,052.24
  4. Step 4: Simplify right side
    92,765.84x = 7,046,530,371.64
  5. Step 5: Solve for x
    x = 7,046,530,371.64/92,765.84
  6. Step 6: Final answer
    x = 75,960.40

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1.5x scale

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.