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Finding the Fourth Proportional to 79,286.72, 118,696.79 and 52,926.08

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Solution

The fourth proportional to 79,286.72, 118,696.79 and 52,926.08 is: 79,233.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,286.72 : 118,696.79 = 52,926.08 : x
  2. Step 2: Convert to fraction form
    79,286.72/118,696.79 = 52,926.08/x
  3. Step 3: Cross multiply
    79,286.72x = 118,696.79 × 52,926.08
  4. Step 4: Simplify right side
    79,286.72x = 6,282,155,342.11
  5. Step 5: Solve for x
    x = 6,282,155,342.11/79,286.72
  6. Step 6: Final answer
    x = 79,233.39

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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.