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Finding the Fourth Proportional to 194,411, 268,287.18 and 104,987

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Solution

The fourth proportional to 194,411, 268,287.18 and 104,987 is: 144,882.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,411 : 268,287.18 = 104,987 : x
  2. Step 2: Convert to fraction form
    194,411/268,287.18 = 104,987/x
  3. Step 3: Cross multiply
    194,411x = 268,287.18 × 104,987
  4. Step 4: Simplify right side
    194,411x = 28,166,666,166.66
  5. Step 5: Solve for x
    x = 28,166,666,166.66/194,411
  6. Step 6: Final answer
    x = 144,882.06

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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.