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Finding the Fourth Proportional to 168,025.80, 252,085.40 and 73,264.24

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Solution

The fourth proportional to 168,025.80, 252,085.40 and 73,264.24 is: 109,916.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,025.80 : 252,085.40 = 73,264.24 : x
  2. Step 2: Convert to fraction form
    168,025.80/252,085.40 = 73,264.24/x
  3. Step 3: Cross multiply
    168,025.80x = 252,085.40 × 73,264.24
  4. Step 4: Simplify right side
    168,025.80x = 18,468,845,246.10
  5. Step 5: Solve for x
    x = 18,468,845,246.10/168,025.80
  6. Step 6: Final answer
    x = 109,916.72

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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.