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Finding the Fourth Proportional to 194,625.56, 268,583.58 and 105,201.56

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Solution

The fourth proportional to 194,625.56, 268,583.58 and 105,201.56 is: 145,178.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,625.56 : 268,583.58 = 105,201.56 : x
  2. Step 2: Convert to fraction form
    194,625.56/268,583.58 = 105,201.56/x
  3. Step 3: Cross multiply
    194,625.56x = 268,583.58 × 105,201.56
  4. Step 4: Simplify right side
    194,625.56x = 28,255,411,606.38
  5. Step 5: Solve for x
    x = 28,255,411,606.38/194,625.56
  6. Step 6: Final answer
    x = 145,178.32

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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.