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Finding the Fourth Proportional to 169,210.40, 254,108.10 and 163,961.60

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Solution

The fourth proportional to 169,210.40, 254,108.10 and 163,961.60 is: 246,225.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,210.40 : 254,108.10 = 163,961.60 : x
  2. Step 2: Convert to fraction form
    169,210.40/254,108.10 = 163,961.60/x
  3. Step 3: Cross multiply
    169,210.40x = 254,108.10 × 163,961.60
  4. Step 4: Simplify right side
    169,210.40x = 41,663,970,648.96
  5. Step 5: Solve for x
    x = 41,663,970,648.96/169,210.40
  6. Step 6: Final answer
    x = 246,225.83

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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.