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Finding the Fourth Proportional to 110,055.67, 165,149.09 and 39,940.45

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Solution

The fourth proportional to 110,055.67, 165,149.09 and 39,940.45 is: 59,934.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,055.67 : 165,149.09 = 39,940.45 : x
  2. Step 2: Convert to fraction form
    110,055.67/165,149.09 = 39,940.45/x
  3. Step 3: Cross multiply
    110,055.67x = 165,149.09 × 39,940.45
  4. Step 4: Simplify right side
    110,055.67x = 6,596,128,971.69
  5. Step 5: Solve for x
    x = 6,596,128,971.69/110,055.67
  6. Step 6: Final answer
    x = 59,934.48

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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.