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Finding the Fourth Proportional to 69,009.10, 103,553.84 and 29,025.20

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Solution

The fourth proportional to 69,009.10, 103,553.84 and 29,025.20 is: 43,554.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,009.10 : 103,553.84 = 29,025.20 : x
  2. Step 2: Convert to fraction form
    69,009.10/103,553.84 = 29,025.20/x
  3. Step 3: Cross multiply
    69,009.10x = 103,553.84 × 29,025.20
  4. Step 4: Simplify right side
    69,009.10x = 3,005,671,248.22
  5. Step 5: Solve for x
    x = 3,005,671,248.22/69,009.10
  6. Step 6: Final answer
    x = 43,554.71

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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.