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Finding the Fourth Proportional to 96,969.48, 133,785.72 and 79,033.68

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Solution

The fourth proportional to 96,969.48, 133,785.72 and 79,033.68 is: 109,040.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,969.48 : 133,785.72 = 79,033.68 : x
  2. Step 2: Convert to fraction form
    96,969.48/133,785.72 = 79,033.68/x
  3. Step 3: Cross multiply
    96,969.48x = 133,785.72 × 79,033.68
  4. Step 4: Simplify right side
    96,969.48x = 10,573,577,783.05
  5. Step 5: Solve for x
    x = 10,573,577,783.05/96,969.48
  6. Step 6: Final answer
    x = 109,040.26

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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.