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Finding the Fourth Proportional to 92,450.73, 127,541.48 and 54,190.88

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Solution

The fourth proportional to 92,450.73, 127,541.48 and 54,190.88 is: 74,759.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,450.73 : 127,541.48 = 54,190.88 : x
  2. Step 2: Convert to fraction form
    92,450.73/127,541.48 = 54,190.88/x
  3. Step 3: Cross multiply
    92,450.73x = 127,541.48 × 54,190.88
  4. Step 4: Simplify right side
    92,450.73x = 6,911,585,037.70
  5. Step 5: Solve for x
    x = 6,911,585,037.70/92,450.73
  6. Step 6: Final answer
    x = 74,759.66

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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.