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Finding the Fourth Proportional to 96,643.44, 133,373.46 and 54,198.60

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Solution

The fourth proportional to 96,643.44, 133,373.46 and 54,198.60 is: 74,797.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,643.44 : 133,373.46 = 54,198.60 : x
  2. Step 2: Convert to fraction form
    96,643.44/133,373.46 = 54,198.60/x
  3. Step 3: Cross multiply
    96,643.44x = 133,373.46 × 54,198.60
  4. Step 4: Simplify right side
    96,643.44x = 7,228,654,809.16
  5. Step 5: Solve for x
    x = 7,228,654,809.16/96,643.44
  6. Step 6: Final answer
    x = 74,797.16

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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.