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Finding the Fourth Proportional to 79,339.50, 119,029.05 and 23,935.50

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Solution

The fourth proportional to 79,339.50, 119,029.05 and 23,935.50 is: 35,909.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,339.50 : 119,029.05 = 23,935.50 : x
  2. Step 2: Convert to fraction form
    79,339.50/119,029.05 = 23,935.50/x
  3. Step 3: Cross multiply
    79,339.50x = 119,029.05 × 23,935.50
  4. Step 4: Simplify right side
    79,339.50x = 2,849,019,826.28
  5. Step 5: Solve for x
    x = 2,849,019,826.28/79,339.50
  6. Step 6: Final answer
    x = 35,909.22

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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.