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Finding the Fourth Proportional to 110,940.96, 153,098.58 and 63,198.78

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Solution

The fourth proportional to 110,940.96, 153,098.58 and 63,198.78 is: 87,214.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,940.96 : 153,098.58 = 63,198.78 : x
  2. Step 2: Convert to fraction form
    110,940.96/153,098.58 = 63,198.78/x
  3. Step 3: Cross multiply
    110,940.96x = 153,098.58 × 63,198.78
  4. Step 4: Simplify right side
    110,940.96x = 9,675,643,475.73
  5. Step 5: Solve for x
    x = 9,675,643,475.73/110,940.96
  6. Step 6: Final answer
    x = 87,214.35

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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.