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Finding the Fourth Proportional to 111,544.44, 153,930.89 and 63,797.72

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Solution

The fourth proportional to 111,544.44, 153,930.89 and 63,797.72 is: 88,040.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,544.44 : 153,930.89 = 63,797.72 : x
  2. Step 2: Convert to fraction form
    111,544.44/153,930.89 = 63,797.72/x
  3. Step 3: Cross multiply
    111,544.44x = 153,930.89 × 63,797.72
  4. Step 4: Simplify right side
    111,544.44x = 9,820,438,730.93
  5. Step 5: Solve for x
    x = 9,820,438,730.93/111,544.44
  6. Step 6: Final answer
    x = 88,040.59

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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.