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Finding the Fourth Proportional to 110,010.80, 165,059.40 and 43,439.60

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Solution

The fourth proportional to 110,010.80, 165,059.40 and 43,439.60 is: 65,176.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,010.80 : 165,059.40 = 43,439.60 : x
  2. Step 2: Convert to fraction form
    110,010.80/165,059.40 = 43,439.60/x
  3. Step 3: Cross multiply
    110,010.80x = 165,059.40 × 43,439.60
  4. Step 4: Simplify right side
    110,010.80x = 7,170,114,312.24
  5. Step 5: Solve for x
    x = 7,170,114,312.24/110,010.80
  6. Step 6: Final answer
    x = 65,176.46

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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.