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Finding the Fourth Proportional to 169,581.40, 254,408.08 and 64,398.04

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Solution

The fourth proportional to 169,581.40, 254,408.08 and 64,398.04 is: 96,610.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,581.40 : 254,408.08 = 64,398.04 : x
  2. Step 2: Convert to fraction form
    169,581.40/254,408.08 = 64,398.04/x
  3. Step 3: Cross multiply
    169,581.40x = 254,408.08 × 64,398.04
  4. Step 4: Simplify right side
    169,581.40x = 16,383,381,712.16
  5. Step 5: Solve for x
    x = 16,383,381,712.16/169,581.40
  6. Step 6: Final answer
    x = 96,610.72

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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.