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Finding the Fourth Proportional to 169,644.75, 234,138.56 and 98,066.27

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Solution

The fourth proportional to 169,644.75, 234,138.56 and 98,066.27 is: 135,348.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,644.75 : 234,138.56 = 98,066.27 : x
  2. Step 2: Convert to fraction form
    169,644.75/234,138.56 = 98,066.27/x
  3. Step 3: Cross multiply
    169,644.75x = 234,138.56 × 98,066.27
  4. Step 4: Simplify right side
    169,644.75x = 22,961,094,166.69
  5. Step 5: Solve for x
    x = 22,961,094,166.69/169,644.75
  6. Step 6: Final answer
    x = 135,348.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.