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Finding the Fourth Proportional to 68,664.30, 96,406.50 and 68,664.30

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Solution

The fourth proportional to 68,664.30, 96,406.50 and 68,664.30 is: 96,406.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,664.30 : 96,406.50 = 68,664.30 : x
  2. Step 2: Convert to fraction form
    68,664.30/96,406.50 = 68,664.30/x
  3. Step 3: Cross multiply
    68,664.30x = 96,406.50 × 68,664.30
  4. Step 4: Simplify right side
    68,664.30x = 6,619,684,837.95
  5. Step 5: Solve for x
    x = 6,619,684,837.95/68,664.30
  6. Step 6: Final answer
    x = 96,406.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.