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Finding the Fourth Proportional to 96,391.84, 133,020.60 and 53,958.52

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Solution

The fourth proportional to 96,391.84, 133,020.60 and 53,958.52 is: 74,462.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,391.84 : 133,020.60 = 53,958.52 : x
  2. Step 2: Convert to fraction form
    96,391.84/133,020.60 = 53,958.52/x
  3. Step 3: Cross multiply
    96,391.84x = 133,020.60 × 53,958.52
  4. Step 4: Simplify right side
    96,391.84x = 7,177,594,705.51
  5. Step 5: Solve for x
    x = 7,177,594,705.51/96,391.84
  6. Step 6: Final answer
    x = 74,462.68

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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.