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Finding the Fourth Proportional to 140,361.95, 193,719.24 and 89,358.38

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Solution

The fourth proportional to 140,361.95, 193,719.24 and 89,358.38 is: 123,327.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,361.95 : 193,719.24 = 89,358.38 : x
  2. Step 2: Convert to fraction form
    140,361.95/193,719.24 = 89,358.38/x
  3. Step 3: Cross multiply
    140,361.95x = 193,719.24 × 89,358.38
  4. Step 4: Simplify right side
    140,361.95x = 17,310,436,492.64
  5. Step 5: Solve for x
    x = 17,310,436,492.64/140,361.95
  6. Step 6: Final answer
    x = 123,327.13

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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.