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Finding the Fourth Proportional to 96,954.80, 133,781.22 and 53,928.68

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Solution

The fourth proportional to 96,954.80, 133,781.22 and 53,928.68 is: 74,412.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,954.80 : 133,781.22 = 53,928.68 : x
  2. Step 2: Convert to fraction form
    96,954.80/133,781.22 = 53,928.68/x
  3. Step 3: Cross multiply
    96,954.80x = 133,781.22 × 53,928.68
  4. Step 4: Simplify right side
    96,954.80x = 7,214,643,934.48
  5. Step 5: Solve for x
    x = 7,214,643,934.48/96,954.80
  6. Step 6: Final answer
    x = 74,412.45

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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.