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Finding the Fourth Proportional to 96,653.28, 133,509.28 and 80,573.12

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Solution

The fourth proportional to 96,653.28, 133,509.28 and 80,573.12 is: 111,297.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,653.28 : 133,509.28 = 80,573.12 : x
  2. Step 2: Convert to fraction form
    96,653.28/133,509.28 = 80,573.12/x
  3. Step 3: Cross multiply
    96,653.28x = 133,509.28 × 80,573.12
  4. Step 4: Simplify right side
    96,653.28x = 10,757,259,238.55
  5. Step 5: Solve for x
    x = 10,757,259,238.55/96,653.28
  6. Step 6: Final answer
    x = 111,297.40

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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.