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Finding the Fourth Proportional to 110,813.44, 165,928.56 and 66,334.72

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Solution

The fourth proportional to 110,813.44, 165,928.56 and 66,334.72 is: 99,327.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,813.44 : 165,928.56 = 66,334.72 : x
  2. Step 2: Convert to fraction form
    110,813.44/165,928.56 = 66,334.72/x
  3. Step 3: Cross multiply
    110,813.44x = 165,928.56 × 66,334.72
  4. Step 4: Simplify right side
    110,813.44x = 11,006,824,567.60
  5. Step 5: Solve for x
    x = 11,006,824,567.60/110,813.44
  6. Step 6: Final answer
    x = 99,327.52

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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.