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Finding the Fourth Proportional to 68,214.68, 94,134.84 and 37,999.88

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Solution

The fourth proportional to 68,214.68, 94,134.84 and 37,999.88 is: 52,439.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,214.68 : 94,134.84 = 37,999.88 : x
  2. Step 2: Convert to fraction form
    68,214.68/94,134.84 = 37,999.88/x
  3. Step 3: Cross multiply
    68,214.68x = 94,134.84 × 37,999.88
  4. Step 4: Simplify right side
    68,214.68x = 3,577,112,623.82
  5. Step 5: Solve for x
    x = 3,577,112,623.82/68,214.68
  6. Step 6: Final answer
    x = 52,439.04

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1.5x scale

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.