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Finding the Fourth Proportional to 69,579.60, 104,285.16 and 32,088.48

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Solution

The fourth proportional to 69,579.60, 104,285.16 and 32,088.48 is: 48,093.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,579.60 : 104,285.16 = 32,088.48 : x
  2. Step 2: Convert to fraction form
    69,579.60/104,285.16 = 32,088.48/x
  3. Step 3: Cross multiply
    69,579.60x = 104,285.16 × 32,088.48
  4. Step 4: Simplify right side
    69,579.60x = 3,346,352,270.96
  5. Step 5: Solve for x
    x = 3,346,352,270.96/69,579.60
  6. Step 6: Final answer
    x = 48,093.87

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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.