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Finding the Fourth Proportional to 96,548.40, 133,229.88 and 54,104.40

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Solution

The fourth proportional to 96,548.40, 133,229.88 and 54,104.40 is: 74,660.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,548.40 : 133,229.88 = 54,104.40 : x
  2. Step 2: Convert to fraction form
    96,548.40/133,229.88 = 54,104.40/x
  3. Step 3: Cross multiply
    96,548.40x = 133,229.88 × 54,104.40
  4. Step 4: Simplify right side
    96,548.40x = 7,208,322,719.47
  5. Step 5: Solve for x
    x = 7,208,322,719.47/96,548.40
  6. Step 6: Final answer
    x = 74,660.20

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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.