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Finding the Fourth Proportional to 79,055.68, 118,675.68 and 62,426.80

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Solution

The fourth proportional to 79,055.68, 118,675.68 and 62,426.80 is: 93,712.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,055.68 : 118,675.68 = 62,426.80 : x
  2. Step 2: Convert to fraction form
    79,055.68/118,675.68 = 62,426.80/x
  3. Step 3: Cross multiply
    79,055.68x = 118,675.68 × 62,426.80
  4. Step 4: Simplify right side
    79,055.68x = 7,408,542,940.22
  5. Step 5: Solve for x
    x = 7,408,542,940.22/79,055.68
  6. Step 6: Final answer
    x = 93,712.97

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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.