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Finding the Fourth Proportional to 79,360.51, 109,518.33 and 43,552.84

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Solution

The fourth proportional to 79,360.51, 109,518.33 and 43,552.84 is: 60,103.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,360.51 : 109,518.33 = 43,552.84 : x
  2. Step 2: Convert to fraction form
    79,360.51/109,518.33 = 43,552.84/x
  3. Step 3: Cross multiply
    79,360.51x = 109,518.33 × 43,552.84
  4. Step 4: Simplify right side
    79,360.51x = 4,769,834,303.56
  5. Step 5: Solve for x
    x = 4,769,834,303.56/79,360.51
  6. Step 6: Final answer
    x = 60,103.37

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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.