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Finding the Fourth Proportional to 79,689.74, 119,506.72 and 23,514.94

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Solution

The fourth proportional to 79,689.74, 119,506.72 and 23,514.94 is: 35,264.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,689.74 : 119,506.72 = 23,514.94 : x
  2. Step 2: Convert to fraction form
    79,689.74/119,506.72 = 23,514.94/x
  3. Step 3: Cross multiply
    79,689.74x = 119,506.72 × 23,514.94
  4. Step 4: Simplify right side
    79,689.74x = 2,810,193,350.40
  5. Step 5: Solve for x
    x = 2,810,193,350.40/79,689.74
  6. Step 6: Final answer
    x = 35,264.18

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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.