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Finding the Fourth Proportional to 79,797.51, 110,118.47 and 43,987.68

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Solution

The fourth proportional to 79,797.51, 110,118.47 and 43,987.68 is: 60,701.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,797.51 : 110,118.47 = 43,987.68 : x
  2. Step 2: Convert to fraction form
    79,797.51/110,118.47 = 43,987.68/x
  3. Step 3: Cross multiply
    79,797.51x = 110,118.47 × 43,987.68
  4. Step 4: Simplify right side
    79,797.51x = 4,843,855,800.51
  5. Step 5: Solve for x
    x = 4,843,855,800.51/79,797.51
  6. Step 6: Final answer
    x = 60,701.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.