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Finding the Fourth Proportional to 104,382.87, 156,579.57 and 29,508.39

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Solution

The fourth proportional to 104,382.87, 156,579.57 and 29,508.39 is: 44,264.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,382.87 : 156,579.57 = 29,508.39 : x
  2. Step 2: Convert to fraction form
    104,382.87/156,579.57 = 29,508.39/x
  3. Step 3: Cross multiply
    104,382.87x = 156,579.57 × 29,508.39
  4. Step 4: Simplify right side
    104,382.87x = 4,620,411,017.59
  5. Step 5: Solve for x
    x = 4,620,411,017.59/104,382.87
  6. Step 6: Final answer
    x = 44,264.07

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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.