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Finding the Fourth Proportional to 68,773.52, 94,289.38 and 67,529.36

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Solution

The fourth proportional to 68,773.52, 94,289.38 and 67,529.36 is: 92,583.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,773.52 : 94,289.38 = 67,529.36 : x
  2. Step 2: Convert to fraction form
    68,773.52/94,289.38 = 67,529.36/x
  3. Step 3: Cross multiply
    68,773.52x = 94,289.38 × 67,529.36
  4. Step 4: Simplify right side
    68,773.52x = 6,367,301,486.20
  5. Step 5: Solve for x
    x = 6,367,301,486.20/68,773.52
  6. Step 6: Final answer
    x = 92,583.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.