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Finding the Fourth Proportional to 96,896.80, 133,718.88 and 54,452.80

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Solution

The fourth proportional to 96,896.80, 133,718.88 and 54,452.80 is: 75,145.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,896.80 : 133,718.88 = 54,452.80 : x
  2. Step 2: Convert to fraction form
    96,896.80/133,718.88 = 54,452.80/x
  3. Step 3: Cross multiply
    96,896.80x = 133,718.88 × 54,452.80
  4. Step 4: Simplify right side
    96,896.80x = 7,281,367,428.86
  5. Step 5: Solve for x
    x = 7,281,367,428.86/96,896.80
  6. Step 6: Final answer
    x = 75,145.59

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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.