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Finding the Fourth Proportional to 92,464.65, 127,604.84 and 54,218.88

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Solution

The fourth proportional to 92,464.65, 127,604.84 and 54,218.88 is: 74,824.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,464.65 : 127,604.84 = 54,218.88 : x
  2. Step 2: Convert to fraction form
    92,464.65/127,604.84 = 54,218.88/x
  3. Step 3: Cross multiply
    92,464.65x = 127,604.84 × 54,218.88
  4. Step 4: Simplify right side
    92,464.65x = 6,918,591,236.28
  5. Step 5: Solve for x
    x = 6,918,591,236.28/92,464.65
  6. Step 6: Final answer
    x = 74,824.18

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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.