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Finding the Fourth Proportional to 169,650.60, 254,579.90 and 69,858.60

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Solution

The fourth proportional to 169,650.60, 254,579.90 and 69,858.60 is: 104,830.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,650.60 : 254,579.90 = 69,858.60 : x
  2. Step 2: Convert to fraction form
    169,650.60/254,579.90 = 69,858.60/x
  3. Step 3: Cross multiply
    169,650.60x = 254,579.90 × 69,858.60
  4. Step 4: Simplify right side
    169,650.60x = 17,784,595,402.14
  5. Step 5: Solve for x
    x = 17,784,595,402.14/169,650.60
  6. Step 6: Final answer
    x = 104,830.73

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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.