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Finding the Fourth Proportional to 163,517.04, 225,672.24 and 90,927.16

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Solution

The fourth proportional to 163,517.04, 225,672.24 and 90,927.16 is: 125,489.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,517.04 : 225,672.24 = 90,927.16 : x
  2. Step 2: Convert to fraction form
    163,517.04/225,672.24 = 90,927.16/x
  3. Step 3: Cross multiply
    163,517.04x = 225,672.24 × 90,927.16
  4. Step 4: Simplify right side
    163,517.04x = 20,519,735,874.04
  5. Step 5: Solve for x
    x = 20,519,735,874.04/163,517.04
  6. Step 6: Final answer
    x = 125,489.89

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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.