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Finding the Fourth Proportional to 194,617.89, 268,526.90 and 118,135.11

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Solution

The fourth proportional to 194,617.89, 268,526.90 and 118,135.11 is: 162,998.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,617.89 : 268,526.90 = 118,135.11 : x
  2. Step 2: Convert to fraction form
    194,617.89/268,526.90 = 118,135.11/x
  3. Step 3: Cross multiply
    194,617.89x = 268,526.90 × 118,135.11
  4. Step 4: Simplify right side
    194,617.89x = 31,722,454,278.78
  5. Step 5: Solve for x
    x = 31,722,454,278.78/194,617.89
  6. Step 6: Final answer
    x = 162,998.65

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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.