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Finding the Fourth Proportional to 119,549.10, 164,978.30 and 68,563.84

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Solution

The fourth proportional to 119,549.10, 164,978.30 and 68,563.84 is: 94,618.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,549.10 : 164,978.30 = 68,563.84 : x
  2. Step 2: Convert to fraction form
    119,549.10/164,978.30 = 68,563.84/x
  3. Step 3: Cross multiply
    119,549.10x = 164,978.30 × 68,563.84
  4. Step 4: Simplify right side
    119,549.10x = 11,311,545,764.67
  5. Step 5: Solve for x
    x = 11,311,545,764.67/119,549.10
  6. Step 6: Final answer
    x = 94,618.41

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.