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Finding the Fourth Proportional to 172,600.64, 238,190.56 and 97,134.56

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Solution

The fourth proportional to 172,600.64, 238,190.56 and 97,134.56 is: 134,046.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,600.64 : 238,190.56 = 97,134.56 : x
  2. Step 2: Convert to fraction form
    172,600.64/238,190.56 = 97,134.56/x
  3. Step 3: Cross multiply
    172,600.64x = 238,190.56 × 97,134.56
  4. Step 4: Simplify right side
    172,600.64x = 23,136,535,241.75
  5. Step 5: Solve for x
    x = 23,136,535,241.75/172,600.64
  6. Step 6: Final answer
    x = 134,046.64

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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.