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Finding the Fourth Proportional to 268,263.54, 402,394.50 and 68,583.96

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Solution

The fourth proportional to 268,263.54, 402,394.50 and 68,583.96 is: 102,875.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,263.54 : 402,394.50 = 68,583.96 : x
  2. Step 2: Convert to fraction form
    268,263.54/402,394.50 = 68,583.96/x
  3. Step 3: Cross multiply
    268,263.54x = 402,394.50 × 68,583.96
  4. Step 4: Simplify right side
    268,263.54x = 27,597,808,292.22
  5. Step 5: Solve for x
    x = 27,597,808,292.22/268,263.54
  6. Step 6: Final answer
    x = 102,875.73

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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.