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Finding the Fourth Proportional to 110,299.20, 165,517.20 and 57,746.40

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Solution

The fourth proportional to 110,299.20, 165,517.20 and 57,746.40 is: 86,655.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,299.20 : 165,517.20 = 57,746.40 : x
  2. Step 2: Convert to fraction form
    110,299.20/165,517.20 = 57,746.40/x
  3. Step 3: Cross multiply
    110,299.20x = 165,517.20 × 57,746.40
  4. Step 4: Simplify right side
    110,299.20x = 9,558,022,438.08
  5. Step 5: Solve for x
    x = 9,558,022,438.08/110,299.20
  6. Step 6: Final answer
    x = 86,655.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.