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Finding the Fourth Proportional to 203,274.48, 304,960.14 and 70,155.88

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Solution

The fourth proportional to 203,274.48, 304,960.14 and 70,155.88 is: 105,250.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,274.48 : 304,960.14 = 70,155.88 : x
  2. Step 2: Convert to fraction form
    203,274.48/304,960.14 = 70,155.88/x
  3. Step 3: Cross multiply
    203,274.48x = 304,960.14 × 70,155.88
  4. Step 4: Simplify right side
    203,274.48x = 21,394,746,986.62
  5. Step 5: Solve for x
    x = 21,394,746,986.62/203,274.48
  6. Step 6: Final answer
    x = 105,250.53

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.