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Finding the Fourth Proportional to 79,133.60, 109,205.67 and 43,323.02

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Solution

The fourth proportional to 79,133.60, 109,205.67 and 43,323.02 is: 59,786.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,133.60 : 109,205.67 = 43,323.02 : x
  2. Step 2: Convert to fraction form
    79,133.60/109,205.67 = 43,323.02/x
  3. Step 3: Cross multiply
    79,133.60x = 109,205.67 × 43,323.02
  4. Step 4: Simplify right side
    79,133.60x = 4,731,119,425.52
  5. Step 5: Solve for x
    x = 4,731,119,425.52/79,133.60
  6. Step 6: Final answer
    x = 59,786.48

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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.