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Finding the Fourth Proportional to 163,517.41, 225,672.73 and 90,927.54

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Solution

The fourth proportional to 163,517.41, 225,672.73 and 90,927.54 is: 125,490.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,517.41 : 225,672.73 = 90,927.54 : x
  2. Step 2: Convert to fraction form
    163,517.41/225,672.73 = 90,927.54/x
  3. Step 3: Cross multiply
    163,517.41x = 225,672.73 × 90,927.54
  4. Step 4: Simplify right side
    163,517.41x = 20,519,865,956.67
  5. Step 5: Solve for x
    x = 20,519,865,956.67/163,517.41
  6. Step 6: Final answer
    x = 125,490.40

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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.