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Finding the Fourth Proportional to 169,789.56, 254,692.80 and 64,616.68

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Solution

The fourth proportional to 169,789.56, 254,692.80 and 64,616.68 is: 96,928.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,789.56 : 254,692.80 = 64,616.68 : x
  2. Step 2: Convert to fraction form
    169,789.56/254,692.80 = 64,616.68/x
  3. Step 3: Cross multiply
    169,789.56x = 254,692.80 × 64,616.68
  4. Step 4: Simplify right side
    169,789.56x = 16,457,403,155.90
  5. Step 5: Solve for x
    x = 16,457,403,155.90/169,789.56
  6. Step 6: Final answer
    x = 96,928.24

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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.