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Finding the Fourth Proportional to 236,958.84, 355,438.73 and 68,492.75

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Solution

The fourth proportional to 236,958.84, 355,438.73 and 68,492.75 is: 102,739.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,958.84 : 355,438.73 = 68,492.75 : x
  2. Step 2: Convert to fraction form
    236,958.84/355,438.73 = 68,492.75/x
  3. Step 3: Cross multiply
    236,958.84x = 355,438.73 × 68,492.75
  4. Step 4: Simplify right side
    236,958.84x = 24,344,974,468.25
  5. Step 5: Solve for x
    x = 24,344,974,468.25/236,958.84
  6. Step 6: Final answer
    x = 102,739.25

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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.