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Finding the Fourth Proportional to 110,323.60, 165,404.40 and 43,730.80

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Solution

The fourth proportional to 110,323.60, 165,404.40 and 43,730.80 is: 65,564.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,323.60 : 165,404.40 = 43,730.80 : x
  2. Step 2: Convert to fraction form
    110,323.60/165,404.40 = 43,730.80/x
  3. Step 3: Cross multiply
    110,323.60x = 165,404.40 × 43,730.80
  4. Step 4: Simplify right side
    110,323.60x = 7,233,266,735.52
  5. Step 5: Solve for x
    x = 7,233,266,735.52/110,323.60
  6. Step 6: Final answer
    x = 65,564.09

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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.