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Finding the Fourth Proportional to 111,578.22, 153,940.26 and 63,797.58

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Solution

The fourth proportional to 111,578.22, 153,940.26 and 63,797.58 is: 88,019.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,578.22 : 153,940.26 = 63,797.58 : x
  2. Step 2: Convert to fraction form
    111,578.22/153,940.26 = 63,797.58/x
  3. Step 3: Cross multiply
    111,578.22x = 153,940.26 × 63,797.58
  4. Step 4: Simplify right side
    111,578.22x = 9,821,016,052.57
  5. Step 5: Solve for x
    x = 9,821,016,052.57/111,578.22
  6. Step 6: Final answer
    x = 88,019.11

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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.