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Finding the Fourth Proportional to 68,474.32, 94,444.52 and 45,773.39

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Solution

The fourth proportional to 68,474.32, 94,444.52 and 45,773.39 is: 63,133.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,474.32 : 94,444.52 = 45,773.39 : x
  2. Step 2: Convert to fraction form
    68,474.32/94,444.52 = 45,773.39/x
  3. Step 3: Cross multiply
    68,474.32x = 94,444.52 × 45,773.39
  4. Step 4: Simplify right side
    68,474.32x = 4,323,045,854.57
  5. Step 5: Solve for x
    x = 4,323,045,854.57/68,474.32
  6. Step 6: Final answer
    x = 63,133.83

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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.