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Finding the Fourth Proportional to 194,635.88, 268,495.52 and 169,084.88

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Solution

The fourth proportional to 194,635.88, 268,495.52 and 169,084.88 is: 233,248.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,635.88 : 268,495.52 = 169,084.88 : x
  2. Step 2: Convert to fraction form
    194,635.88/268,495.52 = 169,084.88/x
  3. Step 3: Cross multiply
    194,635.88x = 268,495.52 × 169,084.88
  4. Step 4: Simplify right side
    194,635.88x = 45,398,532,779.74
  5. Step 5: Solve for x
    x = 45,398,532,779.74/194,635.88
  6. Step 6: Final answer
    x = 233,248.53

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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.