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Finding the Fourth Proportional to 119,493.95, 164,882.34 and 68,497.29

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Solution

The fourth proportional to 119,493.95, 164,882.34 and 68,497.29 is: 94,515.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,493.95 : 164,882.34 = 68,497.29 : x
  2. Step 2: Convert to fraction form
    119,493.95/164,882.34 = 68,497.29/x
  3. Step 3: Cross multiply
    119,493.95x = 164,882.34 × 68,497.29
  4. Step 4: Simplify right side
    119,493.95x = 11,293,993,458.86
  5. Step 5: Solve for x
    x = 11,293,993,458.86/119,493.95
  6. Step 6: Final answer
    x = 94,515.19

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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.