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Finding the Fourth Proportional to 79,269.52, 118,916.58 and 26,674.90

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Solution

The fourth proportional to 79,269.52, 118,916.58 and 26,674.90 is: 40,016.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,269.52 : 118,916.58 = 26,674.90 : x
  2. Step 2: Convert to fraction form
    79,269.52/118,916.58 = 26,674.90/x
  3. Step 3: Cross multiply
    79,269.52x = 118,916.58 × 26,674.90
  4. Step 4: Simplify right side
    79,269.52x = 3,172,087,746.47
  5. Step 5: Solve for x
    x = 3,172,087,746.47/79,269.52
  6. Step 6: Final answer
    x = 40,016.49

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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.