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Finding the Fourth Proportional to 110,637.60, 165,843 and 43,987.56

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Solution

The fourth proportional to 110,637.60, 165,843 and 43,987.56 is: 65,936.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,637.60 : 165,843 = 43,987.56 : x
  2. Step 2: Convert to fraction form
    110,637.60/165,843 = 43,987.56/x
  3. Step 3: Cross multiply
    110,637.60x = 165,843 × 43,987.56
  4. Step 4: Simplify right side
    110,637.60x = 7,295,028,913.08
  5. Step 5: Solve for x
    x = 7,295,028,913.08/110,637.60
  6. Step 6: Final answer
    x = 65,936.25

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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.