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Finding the Fourth Proportional to 169,633.60, 254,061.60 and 165,745.60

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Solution

The fourth proportional to 169,633.60, 254,061.60 and 165,745.60 is: 248,238.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,633.60 : 254,061.60 = 165,745.60 : x
  2. Step 2: Convert to fraction form
    169,633.60/254,061.60 = 165,745.60/x
  3. Step 3: Cross multiply
    169,633.60x = 254,061.60 × 165,745.60
  4. Step 4: Simplify right side
    169,633.60x = 42,109,592,328.96
  5. Step 5: Solve for x
    x = 42,109,592,328.96/169,633.60
  6. Step 6: Final answer
    x = 248,238.51

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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.