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Finding the Fourth Proportional to 192,656.34, 289,009.11 and 74,361.51

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Solution

The fourth proportional to 192,656.34, 289,009.11 and 74,361.51 is: 111,551.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,656.34 : 289,009.11 = 74,361.51 : x
  2. Step 2: Convert to fraction form
    192,656.34/289,009.11 = 74,361.51/x
  3. Step 3: Cross multiply
    192,656.34x = 289,009.11 × 74,361.51
  4. Step 4: Simplify right side
    192,656.34x = 21,491,154,102.21
  5. Step 5: Solve for x
    x = 21,491,154,102.21/192,656.34
  6. Step 6: Final answer
    x = 111,551.76

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1.5x scale

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.