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Finding the Fourth Proportional to 79,114.83, 118,673.46 and 25,806.57

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Solution

The fourth proportional to 79,114.83, 118,673.46 and 25,806.57 is: 38,710.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,114.83 : 118,673.46 = 25,806.57 : x
  2. Step 2: Convert to fraction form
    79,114.83/118,673.46 = 25,806.57/x
  3. Step 3: Cross multiply
    79,114.83x = 118,673.46 × 25,806.57
  4. Step 4: Simplify right side
    79,114.83x = 3,062,554,952.63
  5. Step 5: Solve for x
    x = 3,062,554,952.63/79,114.83
  6. Step 6: Final answer
    x = 38,710.25

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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.