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Finding the Fourth Proportional to 96,469.88, 133,128.47 and 54,028.42

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Solution

The fourth proportional to 96,469.88, 133,128.47 and 54,028.42 is: 74,559.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,469.88 : 133,128.47 = 54,028.42 : x
  2. Step 2: Convert to fraction form
    96,469.88/133,128.47 = 54,028.42/x
  3. Step 3: Cross multiply
    96,469.88x = 133,128.47 × 54,028.42
  4. Step 4: Simplify right side
    96,469.88x = 7,192,720,693.37
  5. Step 5: Solve for x
    x = 7,192,720,693.37/96,469.88
  6. Step 6: Final answer
    x = 74,559.24

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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.